| Abdim's Stork | Ciconia abdimii | 18 images online, 61 offline |
| Abert's Towhee | Pipilo aberti | 12 images online, 9 offline |
| Abyssinian Crimsonwing | Cryptospiza salvadorii | 1 image online, 1 offline |
| Abyssinian Ground Hornbill | Bucorvus abyssinicus | 3 images online, 4 offline |
| Abyssinian Ground-Thrush | Zoothera piaggiae | 1 images online, 2 offline |
| Abyssinian Hill-Babbler | Alcippe abyssinica | 6 images online, 2 offline |
| Abyssinian Nightjar | Caprimulgus poliocephalus | 2 images online, 5 offline |
| Abyssinian Roller | Coracias abyssinica | 3 images online, 2 offline |
| Abyssinian Slaty-Flycatcher | Dioptrornis chocolatinus | 2 images online, 5 offline |
| Acadian Flycatcher | Empidonax virescens | 17 images online, 27 offline |
| Acorn Woodpecker | Melanerpes formicivorus | 55 images online, 59 offline |
| Adelaide's Warbler | Dendroica adelaidae | 3 images online, 2 offline |
| Adelbert Regent Bowerbird | Sericulus bakeri | 1 images online, 4 offline |
| Adelie Penguin | Pygoscelis adeliae | 118 images online, 117 offline |
| African Barred Owlet | Glaucidium capense | 3 image online, 1 offline |
| African Black Duck | Anas sparsa | 3 images online, 5 offline |
| African Collared-Dove | Streptopelia roseogrisea | 3 image online, 1 offline |
| African Crombec | Sylvietta brachyura | 3 images online, 4 offline |
| African Cuckoo-Falcon | Aviceda cuculoides | 1 images online, 2 offline |
| African Darter | Anhinga rufa | 13 images online, 19 offline |
| African Dusky Flycatcher | Muscicapa adusta | 8 images online, 7 offline |
| African Finfoot | Podica senegalensis | 6 images online, 2 offline |
| African Firefinch | Lagonosticta rubricata | 4 images online, 4 offline |
| African Fish-Eagle | Haliaeetus vocifer | 35 images online, 71 offline |
| African Golden Weaver | Ploceus subaureus | 2 image online, 1 offline |
| African Goshawk | Accipiter tachiro | 1 image online, 1 offline |
| African Gray Hornbill | Tockus nasutus | 13 images online, 7 offline |
| African Green-Pigeon | Treron calvus | 11 images online, 10 offline |
| African Harrier-Hawk | Polyboroides typus | 8 images online, 8 offline |
| African Hawk-Eagle | Hieraaetus spilogaster | 5 images online, 5 offline |
| African Jacana | Actophilornis africanus | 32 images online, 27 offline |
| African Little Sparrowhawk | Accipiter minullus | 2 images online, 3 offline |
| African Mountain Thrush | Turdus abyssinicus | 1 image online, 1 offline |
| African Mourning Dove | Streptopelia decipiens | 7 images online, 8 offline |
| African Moustached Warbler | Melocichla mentalis | 2 image online, 1 offline |
| African Openbill Stork | Anastomus lamelligerus | 9 images online, 38 offline |
| African Oystercatcher | Haematopus moquini | 1 images online, 3 offline |
| African Palm Swift | Cypsiurus parvus | 2 images online, 2 offline |
| African Paradise Flycatcher | Terpsiphone viridis | 26 images online, 28 offline |
| African Penduline Tit | Anthoscopus caroli | 1 image online, 1 offline |
| African Pied Hornbill | Tockus fasciatus | 1 image online, 1 offline |
| African Pied Wagtail | Motacilla aguimp | 6 images online, 10 offline |
| African Pipit | Anthus cinnamomeus | 10 image online, 1 offline |
| African Pygmy Kingfisher | Ispidina picta | 16 images online, 23 offline |
| African Pygmy-Goose | Nettapus auritus | 4 images online, 3 offline |
| African Red-eyed Bulbul | Pycnonotus nigricans | 8 images online, 4 offline |
| African Scops-Owl | Otus senegalensis | 7 images online, 6 offline |
| African Skimmer | Rynchops flavirostris | 7 images online, 8 offline |
| African Snipe | Gallinago nigripennis | 4 images online, 4 offline |
| African Spoonbill | Platalea alba | 23 images online, 92 offline |
| African Stonechat | Saxicola axillaris | 16 images online, 6 offline |
| African Swallow-tailed Kite | Chelictinia riocourii | 1 image online, 1 offline |
| African Thrush | Turdus pelios | 4 images online, 3 offline |
| African Wood Owl | Ciccaba woodfordii | 4 images online, 5 offline |
| African Yellow Warbler | Chloropeta natalensis | 4 image online, 1 offline |
| Agami Heron | Agamia agami | 8 images online, 12 offline |
| Agile Tit-Tyrant | Anairetes agilis | 2 images online, 9 offline |
| Akepa | Loxops coccineus | 1 image online, 1 offline |
| Akiapolaau | Hemignathus munroi | 7 images online, 8 offline |
| Akohekohe | Palmeria dolei | 1 image online, 1 offline |
| Albatross sp. | Diomedid sp. | 3 images online, 5 offline |
| Alcid sp. | Alcidae sp. | 7 images online, 3 offline |
| Aldabra Fody | Foudia aldabrana | 10 image online, 1 offline |
| Alder Flycatcher | Empidonax alnorum | 27 images online, 23 offline |
| Aleutian Tern | Onychoprion aleuticus | 38 images online, 9 offline |
| Alexandrine Parakeet | Psittacula eupatria | 4 images online, 3 offline |
| Allen's Hummingbird | Selasphorus sasin | 40 images online, 30 offline |
| Alpine Accentor | Prunella collaris | 7 images online, 4 offline |
| Alpine Swift | Apus melba | 2 images online, 3 offline |
| Altamira Oriole | Icterus gularis | 54 images online, 29 offline |
| Amazilia Hummingbird | Amazilia amazilia | 8 images online, 16 offline |
| Amazon Kingfisher | Chloroceryle amazona | 16 images online, 28 offline |
| Amazonian Antpitta | Hylopezus berlepschi | 1 images online, 2 offline |
| Amazonian Antshrike | Thamnophilus amazonicus | 1 images online, 12 offline |
| Amazonian Black-Tyrant | Knipolegus poecilocercus | 6 images online, 8 offline |
| American Avocet | Recurvirostra americana | 114 images online, 232 offline |
| American Bittern | Botaurus lentiginosus | 53 images online, 58 offline |
| American Black Duck | Anas rubripes | 51 images online, 19 offline |
| American Coot | Fulica americana | 91 images online, 107 offline |
| American Crow | Corvus brachyrhynchos | 81 images online, 40 offline |
| American Dipper | Cinclus mexicanus | 74 images online, 33 offline |
| American Flamingo | Phoenicopterus ruber | 58 images online, 197 offline |
| American Golden-Plover | Pluvialis dominica | 76 images online, 106 offline |
| American Goldfinch | Carduelis tristis | 149 images online, 101 offline |
| American Kestrel | Falco sparverius | 122 images online, 131 offline |
| American Oystercatcher | Haematopus palliatus | 181 images online, 111 offline |
| American Pipit | Anthus rubescens | 45 images online, 16 offline |
| American Pygmy Kingfisher | Chloroceryle aenea | 22 images online, 45 offline |
| American Redstart | Setophaga ruticilla | 79 images online, 94 offline |
| American Robin | Turdus migratorius | 143 images online, 109 offline |
| American Three-toed Woodpecker | Picoides dorsalis | 29 images online, 12 offline |
| American Tree Sparrow | Spizella arborea | 48 images online, 21 offline |
| American White Pelican | Pelecanus erythrorhynchos | 179 images online, 325 offline |
| American Wigeon | Anas americana | 142 images online, 50 offline |
| American Woodcock | Scolopax minor | 60 images online, 30 offline |
| Amethyst Sunbird | Chalcomitra amethystina | 2 images online, 8 offline |
| Amethyst Woodstar | Calliphlox amethystina | 6 images online, 63 offline |
| Amethyst-throated Hummingbird | Lampornis amethystinus | 7 images online, 5 offline |
| Amethyst-throated Sunangel | Heliangelus amethysticollis | 26 images online, 12 offline |
| Amur Falcon | Falco amurensis | 2 images online, 3 offline |
| Ancient Murrelet | Synthliboramphus antiquus | 37 images online, 4 offline |
| Andaman Serpent Eagle | Spilornis elgini | 2 images online, 3 offline |
| Andean Avocet | Recurvirostra andina | 1 images online, 5 offline |
| Andean Cock-of-the-Rock | Rupicola peruviana | 38 images online, 64 offline |
| Andean Condor | Vultur gryphus | 19 images online, 18 offline |
| Andean Duck | Oxyura ferruginea | 5 images online, 4 offline |
| Andean Emerald | Amazilia franciae | 32 images online, 16 offline |
| Andean Flamingo | Phoenicoparrus andinus | 16 images online, 64 offline |
| Andean Goose | Chloephaga melanoptera | 2 images online, 10 offline |
| Andean Guan | Penelope montagnii | 2 images online, 5 offline |
| Andean Gull | Larus serranus | 12 images online, 8 offline |
| Andean Hillstar | Oreotrochilus estella | 1 images online, 4 offline |
| Andean Lapwing | Vanellus resplendens | 6 images online, 6 offline |
| Andean Pygmy-Owl | Glaucidium jardinii | 4 images online, 20 offline |
| Andean Siskin | Carduelis spinescens | 4 images online, 3 offline |
| Andean Snipe | Gallinago jamesoni | 1 images online, 2 offline |
| Andean Solitaire | Myadestes ralloides | 7 images online, 20 offline |
| Andean Tapaculo | Scytalopus griseicollis | 2 images online, 3 offline |
| Andean Tinamou | Nothoprocta pentlandii | 1 image online, 1 offline |
| Andean Tit-Spinetail | Leptasthenura andicola | 3 image online, 1 offline |
| Angola Swallow | Hirundo angolensis | 2 images online, 2 offline |
| Anhinga | Anhinga anhinga | 116 images online, 164 offline |
| Anianiau | Hemignathus parvus | 2 image online, 1 offline |
| Anna's Hummingbird | Calypte anna | 104 images online, 219 offline |
| Antarctic Giant-Petrel | Macronectes giganteus | 63 images online, 78 offline |
| Antarctic Petrel | Thalassoica antarctica | 7 images online, 10 offline |
| Antarctic Prion | Pachyptila desolata | 19 images online, 8 offline |
| Antarctic Shag | Phalacrocorax bransfieldensis | 46 images online, 30 offline |
| Antarctic Tern | Sterna vittata | 35 images online, 11 offline |
| Antbird sp. | Formicariid sp. | 3 images online, 3 offline |
| Antenna Satinbird | Cnemophilus macgregorii | 1 images online, 2 offline |
| Antillean Crested Hummingbird | Orthorhyncus cristatus | 6 images online, 6 offline |
| Antillean Mango | Anthracothorax dominicus | 5 images online, 3 offline |
| Antillean Nighthawk | Chordeiles gundlachii | 17 images online, 8 offline |
| Antillean Palm-Swift | Tachornis phoenicobia | 1 images online, 5 offline |
| Antillean Siskin | Carduelis dominicensis | 4 images online, 11 offline |
| Antipodes Green Parakeet | Cyanoramphus unicolor | 3 images online, 4 offline |
| Apapane | Himatione sanguinea | 9 images online, 9 offline |
| Apical Flycatcher | Myiarchus apicalis | 3 images online, 5 offline |
| Aplomado Falcon | Falco femoralis | 31 images online, 16 offline |
| Apolinar's Marsh Wren | Cistothorus apolinari | 3 images online, 4 offline |
| Apostlebird | Struthidea cinerea | 1 images online, 3 offline |
| Aquatic Warbler | Acrocephalus paludicola | 2 image online, 1 offline |
| Arabian Babbler | Turdoides squamiceps | 4 images online, 2 offline |
| Arabian Partridge | Alectoris melanocephala | 2 image online, 1 offline |
| Arctic Loon | Gavia arctica | 11 images online, 8 offline |
| Arctic Tern | Sterna paradisaea | 129 images online, 89 offline |
| Arctic Warbler | Phylloscopus borealis | 11 images online, 9 offline |
| Arfak Melipotes | Melipotes gymnops | 1 image online, 1 offline |
| Arizona Woodpecker | Picoides arizonae | 28 images online, 15 offline |
| Arrow-marked Babbler | Turdoides jardineii | 13 images online, 2 offline |
| Arrowhead Piculet | Picumnus minutissimus | 2 images online, 5 offline |
| Ash-breasted Antbird | Myrmoborus lugubris | 4 images online, 8 offline |
| Ash-breasted Sierra-Finch | Phrygilus plebejus | 4 image online, 1 offline |
| Ash-colored Cuckoo | Coccyzus cinereus | 2 images online, 4 offline |
| Ash-throated Antwren | Herpsilochmus parkeri | 1 image online, 1 offline |
| Ash-throated Casiornis | Casiornis fusca | 2 image online, 1 offline |
| Ash-throated Crake | Porzana albicollis | 3 images online, 6 offline |
| Ash-throated Flycatcher | Myiarchus cinerascens | 59 images online, 35 offline |
| Ash-throated Gnateater | Conopophaga peruviana | 6 images online, 11 offline |
| Ashy Drongo | Dicrurus leucophaeus | 4 images online, 5 offline |
| Ashy Prinia | Prinia socialis | 4 images online, 4 offline |
| Ashy Starling | Cosmopsarus unicolor | 3 image online, 1 offline |
| Ashy Storm-Petrel | Oceanodroma homochroa | 7 images online, 5 offline |
| Ashy Wood Pigeon | Columba pulchricollis | 1 image online, 1 offline |
| Ashy-crowned Sparrow-Lark | Eremopterix grisea | 10 images online, 2 offline |
| Ashy-faced Owl | Tyto glaucops | 1 images online, 5 offline |
| Ashy-headed Goose | Chloephaga poliocephala | 4 images online, 13 offline |
| Ashy-headed Greenlet | Hylophilus pectoralis | 3 images online, 7 offline |
| Ashy-headed Tyrannulet | Phyllomyias cinereiceps | 2 images online, 8 offline |
| Ashy-tailed Swift | Chaetura andrei | 2 image online, 1 offline |
| Ashy-throated Bush-Tanager | Chlorospingus canigularis | 2 images online, 5 offline |
| Ashy-throated Warbler | Phylloscopus maculipennis | 2 images online, 3 offline |
| Asian Brown Flycatcher | Muscicapa dauurica | 9 images online, 5 offline |
| Asian Koel | Eudynamys scolopacea | 11 images online, 3 offline |
| Asian Openbill | Anastomus oscitans | 17 images online, 71 offline |
| Asian Paradise Flycatcher | Terpsiphone paradisi | 19 images online, 16 offline |
| Asian Pied Starling | Sturnus contra | 4 images online, 6 offline |
| Asiatic Dowitcher | Limnodromus semipalmatus | 5 images online, 14 offline |
| Atlantic Puffin | Fratercula arctica | 130 images online, 164 offline |
| Auckland Islands Shag | Phalacrocorax colensoi | 8 images online, 2 offline |
| Audouin's Gull | Larus audouinii | 6 images online, 6 offline |
| Audubon's Oriole | Icterus graduacauda | 15 images online, 7 offline |
| Audubon's Shearwater | Puffinus lherminieri | 35 images online, 21 offline |
| Augur Buzzard | Buteo augur | 16 images online, 22 offline |
| Austral Blackbird | Curaeus curaeus | 4 images online, 2 offline |
| Austral Negrito | Lessonia rufa | 9 images online, 9 offline |
| Austral Parakeet | Enicognathus ferrugineus | 8 images online, 3 offline |
| Austral Pygmy-Owl | Glaucidium nanum | 7 images online, 13 offline |
| Austral Thrush | Turdus falklandii | 14 images online, 16 offline |
| Australasian Gannet | Morus serrator | 21 images online, 58 offline |
| Australasian Grebe | Tachybaptus novaehollandiae | 3 images online, 2 offline |
| Australasian Pipit | Anthus novaeseelandiae | 18 images online, 10 offline |
| Australian Bustard | Ardeotis australis | 4 images online, 2 offline |
| Australian Crake | Porzana fluminea | 1 image online, 1 offline |
| Australian Darter | Anhinga novaehollandiae | 4 images online, 13 offline |
| Australian Goshawk | Accipiter fasciatus | 3 images online, 8 offline |
| Australian Ibis | Threskiornis molucca | 8 images online, 4 offline |
| Australian King Parrot | Alisterus scapularis | 8 images online, 5 offline |
| Australian Magpie | Gymnorhina tibicen | 5 images online, 12 offline |
| Australian Owlet-Nightjar | Aegotheles cristatus | 2 image online, 1 offline |
| Australian Pelican | Pelecanus conspicillatus | 22 images online, 49 offline |
| Australian Pratincole | Stiltia isabella | 1 image online, 1 offline |
| Australian Raven | Corvus coronoides | 1 image online, 1 offline |
| Australian Red-browed Finch | Neochmia temporalis | 3 images online, 10 offline |
| Australian Regent Bowerbird | Sericulus chrysocephalus | 17 images online, 17 offline |
| Australian Shelduck | Tadorna tadornoides | 4 images online, 5 offline |
| Australian Shoveler | Anas rhynchotis | 4 images online, 11 offline |
| Australian Shriketit | Falcunculus frontatus | 1 images online, 7 offline |
| Australian Speckled Warbler | Chthonicola sagittata | 1 images online, 2 offline |
| Ayres's Hawk-Eagle | Hieraaetus ayresii | 2 images online, 14 offline |
| Azara's Spinetail | Synallaxis azarae | 4 images online, 13 offline |
| Aztec Thrush | Ridgwayia pinicola | 5 image online, 1 offline |
| Azure Gallinule | Porphyrio flavirostris | 1 images online, 3 offline |
| Azure Jay | Cyanocorax caeruleus | 3 image online, 1 offline |
| Azure Kingfisher | Alcedo azurea | 2 images online, 4 offline |
| Azure Tit | Parus cyanus | 4 image online, 1 offline |
| Azure-crowned Hummingbird | Amazilia cyanocephala | 3 images online, 5 offline |
| Azure-hooded Jay | Cyanolyca cucullata | 1 images online, 10 offline |
| Azure-shouldered Tanager | Thraupis cyanoptera | 2 image online, 1 offline |
| Bachman's Sparrow | Aimophila aestivalis | 21 images online, 4 offline |
| Bachman's Warbler | Vermivora bachmanii | 7 images online, 6 offline |
| Baer's Pochard | Aythya baeri | 2 images online, 5 offline |
| Baglafecht Weaver | Ploceus baglafecht | 7 images online, 10 offline |
| Bagobo Babbler | Leonardina woodi | 6 images online, 4 offline |
| Bahama Mockingbird | Mimus gundlachii | 3 images online, 4 offline |
| Baikal Teal | Anas formosa | 6 images online, 6 offline |
| Baillon's Crake | Porzana pusilla | 13 images online, 5 offline |
| Baird's Flycatcher | Myiodynastes bairdii | 3 images online, 3 offline |
| Baird's Sandpiper | Calidris bairdii | 54 images online, 45 offline |
| Baird's Sparrow | Ammodramus bairdii | 42 images online, 12 offline |
| Baird's Trogon | Trogon bairdii | 2 images online, 5 offline |
| Bald Eagle | Haliaeetus leucocephalus | 419 images online, 362 offline |
| Bali Myna | Leucopsar rothschildi | 1 images online, 9 offline |
| Balicassiao | Dicrurus balicassius | 4 images online, 2 offline |
| Balsas Screech-Owl | Megascops seductus | 7 images online, 4 offline |
| Baltimore Oriole | Icterus galbula | 116 images online, 148 offline |
| Bamboo Antshrike | Cymbilaimus sanctamartae | 1 images online, 2 offline |
| Bananaquit | Coereba flaveola | 46 images online, 65 offline |
| Band-backed Wren | Campylorhynchus zonatus | 3 images online, 3 offline |
| Band-rumped Storm-Petrel | Oceanodroma castro | 7 images online, 2 offline |
| Band-rumped Swift | Chaetura spinicaudus | 4 images online, 5 offline |
| Band-tailed Barbthroat | Threnetes ruckeri | 6 images online, 30 offline |
| Band-tailed Earthcreeper | Eremobius phoenicurus | 4 image online, 1 offline |
| Band-tailed Manakin | Pipra fasciicauda | 3 images online, 49 offline |
| Band-tailed Nighthawk | Nyctiprogne leucopyga | 2 images online, 2 offline |
| Band-tailed Pigeon | Patagioenas fasciata | 38 images online, 37 offline |
| Band-tailed Seedeater | Catamenia analis | 12 images online, 16 offline |
| Band-tailed Sierra-Finch | Phrygilus alaudinus | 2 images online, 4 offline |
| Band-winged Nightjar | Caprimulgus longirostris | 6 images online, 5 offline |
| Banded Antbird | Dichrozona cincta | 2 images online, 13 offline |
| Banded Blue Wren | Malurus splendens | 2 images online, 6 offline |
| Banded Broadbill | Eurylaimus javanicus | 15 images online, 5 offline |
| Banded Kestrel | Falco zoniventris | 1 image online, 1 offline |
| Banded Kingfisher | Lacedo pulchella | 4 images online, 8 offline |
| Banded Lapwing | Vanellus tricolor | 1 images online, 3 offline |
| Banded Pitta | Pitta guajana | 23 images online, 3 offline |
| Banded Prinia | Prinia bairdii | 1 images online, 4 offline |
| Banded Quail | Philortyx fasciatus | 1 image online, 1 offline |
| Banded Snake Eagle | Circaetus cinerascens | 4 image online, 1 offline |
| Banded Stilt | Cladorhynchus leucocephalus | 2 images online, 24 offline |
| Banded Whiteface | Aphelocephala nigricincta | 1 image online, 1 offline |
| Banded Woodpecker | Picus miniaceus | 4 images online, 5 offline |
| Banded Wren | Thryothorus pleurostictus | 3 images online, 3 offline |
| Bank Cormorant | Phalacrocorax neglectus | 1 images online, 2 offline |
| Bank Swallow | Riparia riparia | 50 images online, 23 offline |
| Bar-bellied Woodpecker | Veniliornis nigriceps | 1 images online, 7 offline |
| Bar-breasted Waxbill | Lagonosticta rufopicta | 2 image online, 1 offline |
| Bar-crested Antshrike | Thamnophilus multistriatus | 2 images online, 8 offline |
| Bar-headed Goose | Anser indicus | 15 images online, 18 offline |
| Bar-shouldered Dove | Geopelia humeralis | 6 images online, 8 offline |
| Bar-tailed Godwit | Limosa lapponica | 55 images online, 22 offline |
| Bar-tailed Lark | Ammomanes cincturus | 3 image online, 1 offline |
| Bar-winged Cinclodes | Cinclodes fuscus | 11 images online, 16 offline |
| Bar-winged Flycatcher-Shrike | Hemipus picatus | 1 image online, 1 offline |
| Barbados Bullfinch | Loxigilla barbadensis | 9 images online, 5 offline |
| Barbary Falcon | Falco pelegrinoides | 1 images online, 2 offline |
| Barbary Partridge | Alectoris barbara | 1 image online, 1 offline |
| Bare-cheeked Babbler | Turdoides gymnogenys | 2 images online, 2 offline |
| Bare-crowned Antbird | Gymnocichla nudiceps | 8 images online, 13 offline |
| Bare-eyed Pigeon | Patagioenas corensis | 6 images online, 2 offline |
| Bare-eyed Rail | Eulabeornis plumbeiventris | 1 images online, 4 offline |
| Bare-eyed Robin | Turdus nudigenis | 13 images online, 28 offline |
| Bare-faced Curassow | Crax fasciolata | 10 images online, 11 offline |
| Bare-faced Go-away Bird | Corythaixoides personatus | 6 image online, 1 offline |
| Bare-faced Ibis | Phimosus infuscatus | 9 images online, 7 offline |
| Bare-legged Owl | Gymnoglaux lawrencii | 4 images online, 5 offline |
| Bare-necked Fruitcrow | Gymnoderus foetidus | 5 image online, 1 offline |
| Bare-shanked Screech-Owl | Megascops clarkii | 1 images online, 4 offline |
| Bare-throated Bellbird | Procnias nudicollis | 3 images online, 19 offline |
| Bare-throated Tiger-Heron | Tigrisoma mexicanum | 28 images online, 11 offline |
| Bare-throated Whistler | Pachycephala nudigula | 2 images online, 2 offline |
| Barn Owl | Tyto alba | 77 images online, 60 offline |
| Barn Swallow | Hirundo rustica | 129 images online, 118 offline |
| Barnacle Goose | Branta leucopsis | 46 images online, 19 offline |
| Barred Antshrike | Thamnophilus doliatus | 16 images online, 47 offline |
| Barred Antthrush | Chamaeza mollissima | 2 images online, 4 offline |
| Barred Becard | Pachyramphus versicolor | 10 images online, 4 offline |
| Barred Button-Quail | Turnix suscitator | 1 images online, 2 offline |
| Barred Forest-Falcon | Micrastur ruficollis | 9 images online, 33 offline |
| Barred Fruiteater | Pipreola arcuata | 4 images online, 13 offline |
| Barred Owl | Strix varia | 73 images online, 62 offline |
| Barred Owlet-Nightjar | Aegotheles bennettii | 1 images online, 3 offline |
| Barred Puffbird | Nystalus radiatus | 9 image online, 1 offline |
| Barred Woodcreeper | Dendrocolaptes certhia | 3 images online, 8 offline |
| Barrow's Goldeneye | Bucephala islandica | 88 images online, 30 offline |
| Bartlett's Bleeding-heart Pigeon | Gallicolumba criniger | 5 images online, 2 offline |
| Bartlett's Tinamou | Crypturellus bartletti | 1 images online, 2 offline |
| Bassian Thrush | Zoothera lunulata | 1 images online, 2 offline |
| Bat Falcon | Falco rufigularis | 5 images online, 17 offline |
| Bat Hawk | Macheiramphus alcinus | 3 images online, 4 offline |
| Bateleur | Terathopius ecaudatus | 32 images online, 51 offline |
| Bay Antpitta | Grallaria capitalis | 1 image online, 1 offline |
| Bay Wren | Thryothorus nigricapillus | 13 images online, 18 offline |
| Bay-backed Shrike | Lanius vittatus | 3 images online, 5 offline |
| Bay-breasted Warbler | Dendroica castanea | 62 images online, 46 offline |
| Bay-headed Tanager | Tangara gyrola | 17 images online, 32 offline |
| Bay-vented Cotinga | Doliornis sclateri | 1 images online, 5 offline |
| Bay-winged Cowbird | Agelaioides badius | 9 images online, 5 offline |
| Baya Weaver | Ploceus philippinus | 4 image online, 1 offline |
| Beach Thick-knee | Esacus magnirostris | 4 image online, 1 offline |
| Bearded Barbet | Lybius dubius | 2 images online, 4 offline |
| Bearded Bellbird | Procnias averano | 7 images online, 6 offline |
| Bearded Bulbul | Criniger barbatus | 3 images online, 5 offline |
| Bearded Helmetcrest | Oxypogon guerinii | 5 images online, 31 offline |
| Bearded Mountaineer | Oreonympha nobilis | 1 images online, 3 offline |
| Bearded Reedling | Panurus biarmicus | 6 image online, 1 offline |
| Bearded Screech-Owl | Megascops barbarus | 1 image online, 1 offline |
| Bearded Scrub-Robin | Cercotrichas quadrivirgata | 4 image online, 1 offline |
| Bearded Woodpecker | Dendropicos namaquus | 3 image online, 1 offline |
| Beautiful Hummingbird | Calothorax pulcher | 5 images online, 2 offline |
| Beautiful Sunbird | Cinnyris pulchellus | 7 images online, 27 offline |
| Bee Hummingbird | Mellisuga helenae | 1 image online, 1 offline |
| Belcher's Gull | Larus belcheri | 11 images online, 16 offline |
| Belford's Melidectes | Melidectes belfordi | 6 images online, 33 offline |
| Bell Miner | Manorina melanophrys | 1 images online, 3 offline |
| Bell's Vireo | Vireo bellii | 48 images online, 29 offline |
| Belted Flycatcher | Xenotriccus callizonus | 1 image online, 1 offline |
| Belted Kingfisher | Megaceryle alcyon | 75 images online, 39 offline |
| Bendire's Thrasher | Toxostoma bendirei | 21 images online, 17 offline |
| Bensch's Monia | Monias benschi | 1 image online, 1 offline |
| Bermuda Petrel | Pterodroma cahow | 3 image online, 1 offline |
| Berthelot's Pipit | Anthus berthelotii | 7 images online, 4 offline |
| Bertoni's Antbird | Drymophila rubricollis | 1 images online, 2 offline |
| Beryl-spangled Tanager | Tangara nigroviridis | 2 images online, 10 offline |
| Berylline Hummingbird | Amazilia beryllina | 9 images online, 10 offline |
| Besra | Accipiter virgatus | 19 image online, 1 offline |
| Bewick's Swan | Cygnus bewickii | 11 images online, 7 offline |
| Bewick's Wren | Thryomanes bewickii | 41 images online, 27 offline |
| Bicknell's Thrush | Catharus bicknelli | 21 images online, 6 offline |
| Bicolored Antbird | Gymnopithys bicolor | 6 images online, 20 offline |
| Bicolored Conebill | Conirostrum bicolor | 4 image online, 1 offline |
| Bicolored Hawk | Accipiter bicolor | 1 images online, 3 offline |
| Bicolored Wren | Campylorhynchus griseus | 6 images online, 2 offline |
| Bimaculated Lark | Melanocorypha bimaculata | 4 images online, 4 offline |
| Black Antbird | Cercomacra serva | 3 images online, 9 offline |
| Black Antshrike | Thamnophilus nigriceps | 2 images online, 9 offline |
| Black Berrypecker | Melanocharis nigra | 1 images online, 5 offline |
| Black Bittern | Ixobrychus flavicollis | 2 image online, 1 offline |
| Black Bronzewing | Henicophaps albifrons | 1 image online, 1 offline |
| Black Bushbird | Neoctantes niger | 2 images online, 21 offline |
| Black Caracara | Daptrius ater | 1 images online, 3 offline |
| Black Catbird | Melanoptila glabrirostris | 7 images online, 7 offline |
| Black Coucal | Centropus toulou | 7 image online, 1 offline |
| Black Crake | Amaurornis flavirostra | 7 images online, 4 offline |
| Black Crowned-Crane | Balearica pavonina | 1 images online, 16 offline |
| Black Cuckooshrike | Coracina melaena | 4 images online, 2 offline |
| Black Curassow | Crax alector | 2 images online, 2 offline |
| Black Currawong | Strepera fuliginosa | 1 images online, 7 offline |
| Black Drongo | Dicrurus macrocercus | 10 image online, 1 offline |
| Black Falcon | Falco subniger | 2 images online, 3 offline |
| Black Flowerpiercer | Diglossa humeralis | 13 images online, 35 offline |
| Black Francolin | Francolinus francolinus | 1 images online, 4 offline |
| Black Grouse | Tetrao tetrix | 14 images online, 3 offline |
| Black Guan | Chamaepetes unicolor | 2 images online, 4 offline |
| Black Guillemot | Cepphus grylle | 47 images online, 27 offline |
| Black Harrier | Circus maurus | 4 images online, 3 offline |
| Black Hawk-Eagle | Spizaetus tyrannus | 2 images online, 12 offline |
| Black Heron | Egretta ardesiaca | 13 images online, 19 offline |
| Black Ibis | Pseudibis papillosa | 2 images online, 4 offline |
| Black Jacobin | Melanotrochilus fuscus | 8 images online, 26 offline |
| Black Kite | Milvus migrans | 45 images online, 49 offline |
| Black Manakin | Xenopipo atronitens | 4 images online, 15 offline |
| Black Noddy | Anous minutus | 29 images online, 20 offline |
| Black Nunbird | Monasa atra | 1 images online, 5 offline |
| Black Oystercatcher | Haematopus bachmani | 49 images online, 20 offline |
| Black Parrot | Coracopsis nigra | 2 images online, 6 offline |
| Black Phoebe | Sayornis nigricans | 30 images online, 16 offline |
| Black Pitohui | Pitohui nigrescens | 4 images online, 9 offline |
| Black Rail | Laterallus jamaicensis | 8 images online, 3 offline |
| Black Redstart | Phoenicurus ochruros | 27 images online, 4 offline |
| Black Robin | Turdus infuscatus | 1 image online, 1 offline |
| Black Rosy-Finch | Leucosticte atrata | 23 images online, 6 offline |
| Black Scoter | Melanitta nigra | 104 images online, 18 offline |
| Black Skimmer | Rynchops niger | 277 images online, 196 offline |
| Black Solitaire | Entomodestes coracinus | 3 images online, 14 offline |
| Black Sparrowhawk | Accipiter melanoleucus | 3 images online, 3 offline |
| Black Stilt | Himantopus novaezelandiae | 4 images online, 8 offline |
| Black Stork | Ciconia nigra | 22 images online, 42 offline |
| Black Storm-Petrel | Oceanodroma melania | 8 images online, 2 offline |
| Black Swan | Cygnus atratus | 15 images online, 27 offline |
| Black Swift | Cypseloides niger | 10 images online, 5 offline |
| Black Tern | Chlidonias niger | 70 images online, 34 offline |
| Black Turnstone | Arenaria melanocephala | 55 images online, 29 offline |
| Black Vulture | Coragyps atratus | 93 images online, 78 offline |
| Black Woodpecker | Dryocopus martius | 8 images online, 6 offline |
| Black-and-chestnut Eagle | Oroaetus isidori | 1 image online, 1 offline |
| Black-and-chestnut Warbling-Finch | Poospiza whitii | 2 images online, 4 offline |
| Black-and-Cinnamon Fantail | Rhipidura nigrocinnamomea | 1 images online, 3 offline |
| Black-and-red Broadbill | Cymbirhynchus macrorhynchos | 26 images online, 2 offline |
| Black-and-red Myzomela | Myzomela rosenbergii | 7 images online, 2 offline |
| Black-and-rufous Warbling-Finch | Poospiza nigrorufa | 3 images online, 3 offline |
| Black-and-white Antbird | Myrmochanes hemileucus | 1 images online, 8 offline |
| Black-and-white Becard | Pachyramphus albogriseus | 5 images online, 8 offline |
| Black-and-white Bulbul | Pycnonotus melanoleucos | 9 image online, 1 offline |
| Black-and-white Hawk-Eagle | Spizastur melanoleucus | 2 images online, 5 offline |
| Black-and-white Mannikin | Lonchura bicolor | 3 images online, 3 offline |
| Black-and-white Monjita | Xolmis dominicana | 3 images online, 4 offline |
| Black-and-white Owl | Ciccaba nigrolineata | 5 images online, 3 offline |
| Black-and-white Seedeater | Sporophila luctuosa | 3 images online, 5 offline |
| Black-and-white Tody-Tyrant | Poecilotriccus capitalis | 3 images online, 7 offline |
| Black-and-white Warbler | Mniotilta varia | 89 images online, 87 offline |
| Black-and-white Wren-Warbler | Malurus alboscapulatus | 1 image online, 1 offline |
| Black-and-yellow Broadbill | Eurylaimus ochromalus | 13 images online, 3 offline |
| Black-and-yellow Tanager | Chrysothlypis chrysomelas | 1 images online, 2 offline |
| Black-backed Bush-Tanager | Urothraupis stolzmanni | 2 images online, 4 offline |
| Black-backed Fruit-Dove | Ptilinopus cinctus | 1 images online, 3 offline |
| Black-backed Grosbeak | Pheucticus aureoventris | 4 images online, 11 offline |
| Black-backed Kingfisher | Ceyx erithacus | 30 images online, 11 offline |
| Black-backed Puffback | Dryoscopus cubla | 4 images online, 2 offline |
| Black-backed Wagtail | Motacilla lugens | 3 image online, 1 offline |
| Black-backed Water-Tyrant | Fluvicola albiventer | 5 images online, 4 offline |
| Black-backed Woodpecker | Picoides arcticus | 31 images online, 10 offline |
| Black-banded Owl | Ciccaba huhula | 3 images online, 3 offline |
| Black-banded Woodcreeper | Dendrocolaptes picumnus | 1 images online, 10 offline |
| Black-bellied Antwren | Formicivora melanogaster | 1 images online, 4 offline |
| Black-bellied Bustard | Lissotis melanogaster | 19 images online, 17 offline |
| Black-bellied Plover | Pluvialis squatarola | 185 images online, 100 offline |
| Black-bellied Storm-Petrel | Fregetta tropica | 9 images online, 2 offline |
| Black-bellied Thorntail | Discosura conversii langsdorffi | 3 images online, 8 offline |
| Black-bellied Whistling-Duck | Dendrocygna autumnalis | 66 images online, 37 offline |
| Black-billed Cuckoo | Coccyzus erythropthalmus | 26 images online, 23 offline |
| Black-billed Gull | Larus bulleri | 14 images online, 19 offline |
| Black-billed Magpie | Pica hudsonia | 47 images online, 26 offline |
| Black-billed Mountain Toucan | Andigena nigrirostris | 2 images online, 5 offline |
| Black-billed Nightingale-Thrush | Catharus gracilirostris | 3 images online, 2 offline |
| Black-billed Parrot | Amazona agilis | 1 image online, 1 offline |
| Black-billed Peppershrike | Cyclarhis nigrirostris | 1 images online, 4 offline |
| Black-billed Scythebill | Campylorhamphus falcularius | 1 images online, 7 offline |
| Black-billed Shrike-Tyrant | Agriornis montana | 4 images online, 5 offline |
| Black-billed Streamertail | Trochilus scitulus | 3 images online, 3 offline |
| Black-billed Thrush | Turdus ignobilis | 4 images online, 20 offline |
| Black-billed Treehunter | Thripadectes melanorhynchus | 1 images online, 7 offline |
| Black-billed Weaver | Ploceus melanogaster | 3 images online, 6 offline |
| Black-billed Wood-Dove | Turtur abyssinicus | 1 image online, 1 offline |
| Black-breasted Flatbill | Machaerirhynchus nigripectus | 3 images online, 2 offline |
| Black-breasted Plovercrest | Stephanoxis lalandi | 2 images online, 48 offline |
| Black-breasted Puffbird | Notharchus pectoralis | 1 images online, 10 offline |
| Black-breasted Puffleg | Eriocnemis nigrivestis | 1 images online, 5 offline |
| Black-browed Albatross | Thalassarche melanophris | 92 images online, 153 offline |
| Black-browed Barbet | Megalaima oorti | 8 images online, 2 offline |
| Black-browed Reed-Warbler | Acrocephalus bistrigiceps | 1 images online, 2 offline |
| Black-cap Warbler | Sylvia atricapilla | 13 images online, 7 offline |
| Black-capped Antshrike | Thamnophilus schistaceus | 5 images online, 14 offline |
| Black-capped Babbler | Pellorneum capistratum | 10 images online, 5 offline |
| Black-capped Bulbul | Pycnonotus xanthopygos | 3 images online, 2 offline |
| Black-capped Chickadee | Poecile atricapillus | 70 images online, 70 offline |
| Black-capped Conure | Pyrrhura rupicola | 2 images online, 5 offline |
| Black-capped Donacobius | Donacobius atricapilla | 18 images online, 21 offline |
| Black-capped Flycatcher | Empidonax atriceps | 5 images online, 6 offline |
| Black-capped Foliage-gleaner | Philydor atricapillus | 4 images online, 10 offline |
| Black-capped Gnatcatcher | Polioptila nigriceps | 6 images online, 3 offline |
| Black-capped Hemispingus | Hemispingus atropileus | 11 images online, 14 offline |
| Black-capped Kingfisher | Halcyon pileata | 2 image online, 1 offline |
| Black-capped Lory | Lorius lory | 21 images online, 12 offline |
| Black-capped Petrel | Pterodroma hasitata | 20 images online, 6 offline |
| Black-capped Pygmy-Tyrant | Myiornis atricapillus | 2 images online, 5 offline |
| Black-capped Social-Weaver | Pseudonigrita cabanisi | 6 images online, 5 offline |
| Black-capped Sparrow | Arremon abeillei | 8 images online, 12 offline |
| Black-capped Swallow | Notiochelidon pileata | 1 image online, 1 offline |
| Black-capped Tanager | Tangara heinei | 10 images online, 13 offline |
| Black-capped Tyrannulet | Phyllomyias nigrocapillus | 4 images online, 7 offline |
| Black-capped Vireo | Vireo atricapilla | 30 images online, 16 offline |
| Black-capped Warbling-Finch | Poospiza melanoleuca | 2 images online, 13 offline |
| Black-cheeked Gnateater | Conopophaga melanops | 2 images online, 12 offline |
| Black-cheeked Lovebird | Agapornis nigrigenis | 1 image online, 1 offline |
| Black-cheeked Woodpecker | Melanerpes pucherani | 20 images online, 11 offline |
| Black-chested Buzzard-Eagle | Geranoaetus melanoleucus | 7 images online, 15 offline |
| Black-chested Mountain-Tanager | Buthraupis eximia | 4 images online, 5 offline |
| Black-chested Snake Eagle | Circaetus pectoralis | 8 images online, 7 offline |
| Black-chinned Antbird | Hypocnemoides melanopogon | 9 images online, 9 offline |
| Black-chinned Hummingbird | Archilochus alexandri | 108 images online, 86 offline |
| Black-chinned Siskin | Carduelis barbata | 4 images online, 17 offline |
| Black-chinned Sparrow | Spizella atrogularis | 30 images online, 7 offline |
| Black-collared Barbet | Lybius torquatus | 7 images online, 6 offline |
| Black-collared Hawk | Busarellus nigricollis | 20 images online, 31 offline |
| Black-cowled Oriole | Icterus prosthemelas | 6 images online, 7 offline |
| Black-cowled Saltator | Saltator nigriceps | 3 images online, 4 offline |
| Black-crested Antshrike | Sakesphorus canadensis | 11 images online, 15 offline |
| Black-crested Bulbul | Pycnonotus melanicterus | 4 images online, 5 offline |
| Black-crested Finch | Lophospingus pusillus | 2 images online, 6 offline |
| Black-crested Titmouse | Baeolophus atricristatus | 33 images online, 11 offline |
| Black-crested Warbler | Basileuterus nigrocristatus | 3 images online, 13 offline |
| Black-crowned Antpitta | Pittasoma michleri | 4 image online, 1 offline |
| Black-crowned Babbler | Stachyris nigrocapitata | 1 images online, 6 offline |
| Black-crowned Night-Heron | Nycticorax nycticorax | 111 images online, 159 offline |
| Black-crowned Palm-Tanager | Phaenicophilus palmarum | 4 images online, 4 offline |
| Black-crowned Sparrow-Lark | Eremopterix nigriceps | 10 images online, 4 offline |
| Black-crowned Tchagra | Tchagra senegalus | 5 images online, 3 offline |
| Black-crowned Tityra | Tityra inquisitor | 10 image online, 1 offline |
| Black-eared Fairy | Heliothryx aurita | 1 images online, 39 offline |
| Black-eared Hemispingus | Hemispingus melanotis | 3 images online, 8 offline |
| Black-eared Wheatear | Oenanthe hispanica | 8 image online, 1 offline |
| Black-faced Antbird | Myrmoborus myotherinus | 8 images online, 24 offline |
| Black-faced Antthrush | Formicarius analis | 8 images online, 13 offline |
| Black-faced Bunting | Emberiza spodocephala | 4 images online, 4 offline |
| Black-faced Cuckooshrike | Coracina novaehollandiae | 1 images online, 2 offline |
| Black-faced Dacnis | Dacnis lineata | 5 images online, 12 offline |
| Black-faced Grassquit | Tiaris bicolor | 16 images online, 20 offline |
| Black-faced Grosbeak | Caryothraustes poliogaster | 5 images online, 6 offline |
| Black-faced Ibis | Theristicus melanopis | 10 images online, 3 offline |
| Black-faced Monarch | Monarcha melanopsis | 2 images online, 22 offline |
| Black-faced Quail-Finch | Ortygospiza atricollis | 2 image online, 1 offline |
| Black-faced Rufous Warbler | Bathmocercus rufus | 5 images online, 4 offline |
| Black-faced Sandgrouse | Pterocles decoratus | 7 images online, 9 offline |
| Black-faced Sheathbill | Chionis minor | 4 images online, 2 offline |
| Black-faced Solitaire | Myadestes melanops | 3 images online, 9 offline |
| Black-faced Spoonbill | Platalea minor | 26 images online, 4 offline |
| Black-faced Tanager | Schistochlamys melanopis | 9 images online, 17 offline |
| Black-faced Warbler | Abroscopus schisticeps | 3 images online, 2 offline |
| Black-faced Waxbill | Estrilda erythronotos | 8 image online, 1 offline |
| Black-faced Wood Swallow | Artamus cinereus | 3 image online, 1 offline |
| Black-footed Albatross | Phoebastria nigripes | 29 images online, 53 offline |
| Black-fronted Ground-Tyrant | Muscisaxicola frontalis | 4 images online, 2 offline |
| Black-fronted Nunbird | Monasa nigrifrons | 15 images online, 17 offline |
| Black-fronted Piping Guan | Pipile jacutinga | 3 image online, 1 offline |
| Black-fronted Plover | Charadrius melanops | 3 images online, 7 offline |
| Black-fronted Tern | Sterna albistriata | 9 images online, 15 offline |
| Black-goggled Tanager | Trichothraupis melanops | 8 images online, 14 offline |
| Black-headed Antbird | Percnostola rufifrons | 11 images online, 14 offline |
| Black-headed Antthrush | Formicarius nigricapillus | 1 images online, 9 offline |
| Black-headed Brush-Finch | Buarremon atricapillus | 1 images online, 8 offline |
| Black-headed Bulbul | Pycnonotus atriceps | 17 image online, 1 offline |
| Black-headed Bunting | Emberiza melanocephala | 6 image online, 1 offline |
| Black-headed Butcherbird | Cracticus cassicus | 1 images online, 4 offline |
| Black-headed Canary | Serinus alario | 3 image online, 1 offline |
| Black-headed Cuckooshrike | Coracina melanoptera | 1 image online, 1 offline |
| Black-headed Duck | Heteronetta atricapilla | 4 image online, 1 offline |
| Black-headed Gonolek | Laniarius erythrogaster | 2 images online, 3 offline |
| Black-headed Grosbeak | Pheucticus melanocephalus | 76 images online, 49 offline |
| Black-headed Gull | Chroicocephalus ridibundus | 91 images online, 64 offline |
| Black-headed Hemispingus | Hemispingus verticalis | 2 image online, 1 offline |
| Black-headed Heron | Ardea melanocephala | 18 images online, 30 offline |
| Black-headed Ibis | Threskiornis melanocephalus | 6 images online, 15 offline |
| Black-headed Nightingale-Thrush | Catharus mexicanus | 3 images online, 3 offline |
| Black-headed Oriole | Oriolus larvatus | 2 images online, 9 offline |
| Black-headed Parrot | Pionites melanocephala | 4 images online, 4 offline |
| Black-headed Pitohui | Pitohui dichrous | 6 images online, 11 offline |
| Black-headed Saltator | Saltator atriceps | 4 images online, 2 offline |
| Black-headed Sibia | Heterophasia melanoleuca | 3 image online, 1 offline |
| Black-headed Tanager | Tangara cyanoptera | 2 images online, 7 offline |
| Black-headed Trogon | Trogon melanocephalus | 5 images online, 2 offline |
| Black-hooded Antshrike | Thamnophilus bridgesi | 6 images online, 5 offline |
| Black-hooded Parakeet | Nandayus nenday | 16 images online, 2 offline |
| Black-hooded Sierra-Finch | Phrygilus atriceps | 2 images online, 4 offline |
| Black-hooded Sunbeam | Aglaeactis pamela | 1 images online, 4 offline |
| Black-hooded Thrush | Turdus olivater | 5 images online, 3 offline |
| Black-legged Kittiwake | Rissa tridactyla | 134 images online, 132 offline |
| Black-legged Seriema | Chunga burmeisteri | 4 images online, 13 offline |
| Black-lored Babbler | Turdoides melanops | 6 images online, 3 offline |
| Black-mandibled Toucan | Ramphastos ambiguus | 1 images online, 2 offline |
| Black-mantled Goshawk | Accipiter melanochlamys | 2 images online, 11 offline |
| Black-masked Finch | Coryphaspiza melanotis | 3 images online, 6 offline |
| Black-naped Fruit-Dove | Ptilinopus melanospila | 1 images online, 3 offline |
| Black-naped Monarch | Hypothymis azurea | 17 images online, 15 offline |
| Black-naped Oriole | Oriolus chinensis | 8 images online, 5 offline |
| Black-naped Tern | Sterna sumatrana | 13 images online, 9 offline |
| Black-necked Aracari | Pteroglossus aracari | 2 images online, 8 offline |
| Black-necked Crane | Grus nigricollis | 6 images online, 2 offline |
| Black-necked Stilt | Himantopus mexicanus | 103 images online, 169 offline |
| Black-necked Stork | Ephippiorhynchus asiaticus | 13 images online, 40 offline |
| Black-necked Swan | Cygnus melancoryphus | 8 images online, 20 offline |
| Black-necked Weaver | Ploceus nigricollis | 1 images online, 6 offline |
| Black-rumped Flameback | Dinopium benghalense | 4 image online, 1 offline |
| Black-shouldered Kite | Elanus caeruleus | 23 images online, 12 offline |
| Black-spotted Barbet | Capito niger | 8 images online, 23 offline |
| Black-spotted Bare-eye | Phlegopsis nigromaculata | 7 images online, 16 offline |
| Black-striped Sparrow | Arremonops conirostris | 7 images online, 12 offline |
| Black-tailed Antbird | Myrmoborus melanurus | 2 images online, 6 offline |
| Black-tailed Flycatcher | Myiobius atricaudus | 7 images online, 12 offline |
| Black-tailed Gnatcatcher | Polioptila melanura | 30 images online, 13 offline |
| Black-tailed Godwit | Limosa limosa | 32 images online, 25 offline |
| Black-tailed Gull | Larus crassirostris | 19 images online, 10 offline |
| Black-tailed Leafscraper | Sclerurus caudacutus | 4 images online, 9 offline |
| Black-tailed Native-Hen | Tribonyx ventralis | 1 images online, 4 offline |
| Black-tailed Tityra | Tityra cayana | 4 images online, 11 offline |
| Black-tailed Trainbearer | Lesbia victoriae | 11 images online, 22 offline |
| Black-tailed Trogon | Trogon melanurus | 5 images online, 5 offline |
| Black-thighed Puffleg | Eriocnemis derbyi | 1 images online, 4 offline |
| Black-throated Antbird | Myrmeciza atrothorax | 2 images online, 11 offline |
| Black-throated Antshrike | Frederickena viridis | 2 images online, 6 offline |
| Black-throated Babbler | Stachyris nigricollis | 16 images online, 2 offline |
| Black-throated Blue Warbler | Dendroica caerulescens | 83 images online, 42 offline |
| Black-throated Bobwhite | Colinus nigrogularis | 1 images online, 2 offline |
| Black-throated Brilliant | Heliodoxa schreibersii | 5 images online, 4 offline |
| Black-throated Flowerpiercer | Diglossa brunneiventris | 1 images online, 2 offline |
| Black-throated Flycatcher | Poecilodryas albonotata | 7 images online, 4 offline |
| Black-throated Gray Warbler | Dendroica nigrescens | 48 images online, 14 offline |
| Black-throated Green Warbler | Dendroica virens | 88 images online, 57 offline |
| Black-throated Grosbeak | Saltator fuliginosus | 3 image online, 1 offline |
| Black-throated Huet-huet | Pteroptochos tarnii | 4 image online, 1 offline |
| Black-throated Magpie-Jay | Calocitta colliei | 11 images online, 15 offline |
| Black-throated Mango | Anthracothorax nigricollis | 8 images online, 28 offline |
| Black-throated Saltator | Saltator atricollis | 4 images online, 4 offline |
| Black-throated Sparrow | Amphispiza bilineata | 54 images online, 31 offline |
| Black-throated Sunbird | Aethopyga saturata | 4 image online, 1 offline |
| Black-throated Tit | Aegithalos concinnus | 7 images online, 4 offline |
| Black-throated Tody-Tyrant | Hemitriccus granadensis | 6 images online, 15 offline |
| Black-throated Trogon | Trogon rufus | 15 images online, 31 offline |
| Black-vented Oriole | Icterus wagleri | 1 images online, 5 offline |
| Black-vented Shearwater | Puffinus opisthomelas | 14 images online, 2 offline |
| Black-whiskered Vireo | Vireo altiloquus | 5 images online, 7 offline |
| Black-winged Flycatcher-Shrike | Hemipus hirundinaceus | 1 image online, 1 offline |
| Black-winged Ground-Dove | Metriopelia melanoptera | 7 image online, 1 offline |
| Black-winged Lapwing | Vanellus melanopterus | 8 images online, 4 offline |
| Black-winged Lovebird | Agapornis taranta | 1 image online, 1 offline |
| Black-winged Petrel | Pterodroma nigripennis | 3 images online, 5 offline |
| Black-winged Saltator | Saltator atripennis | 5 images online, 9 offline |
| Black-winged Stilt | Himantopus himantopus | 52 images online, 25 offline |
| Blackbird sp. | Icterid sp. | 10 images online, 12 offline |
| Blackburnian Warbler | Dendroica fusca | 63 images online, 54 offline |
| Blackcap Babbler | Turdoides reinwardtii | 3 images online, 2 offline |
| Blackcap Illadopsis | Illadopsis cleaveri | 2 image online, 1 offline |
| Blackhead Plover | Vanellus tectus | 1 images online, 6 offline |
| Blackish Antbird | Cercomacra nigrescens | 7 images online, 11 offline |
| Blackish Cinclodes | Cinclodes antarcticus | 12 images online, 9 offline |
| Blackish Nightjar | Caprimulgus nigrescens | 7 images online, 10 offline |
| Blackish Oystercatcher | Haematopus ater | 14 images online, 31 offline |
| Blackish Tapaculo | Scytalopus latrans | 2 images online, 5 offline |
| Blackish-gray Antshrike | Thamnophilus nigrocinereus | 1 images online, 9 offline |
| Blackpoll Warbler | Dendroica striata | 89 images online, 33 offline |
| Blacksmith Lapwing | Vanellus armatus | 28 images online, 20 offline |
| Blackstart | Cercomela melanura | 4 images online, 2 offline |
| Blond-crested Woodpecker | Celeus flavescens | 2 images online, 2 offline |
| Blood Pheasant | Ithaginis cruentus | 5 images online, 5 offline |
| Blood-colored Woodpecker | Veniliornis sanguineus | 1 images online, 5 offline |
| Blossom-headed Parakeet | Psittacula roseata | 3 image online, 1 offline |
| Blue Bird of Paradise | Paradisaea rudolphi | 5 images online, 8 offline |
| Blue Bunting | Cyanocompsa parellina | 10 images online, 10 offline |
| Blue Cotinga | Cotinga nattererii | 10 image online, 1 offline |
| Blue Crane | Anthropoides paradiseus | 12 images online, 15 offline |
| Blue Dacnis | Dacnis cayana | 16 images online, 48 offline |
| Blue Duck | Hymenolaimus malacorhynchos | 2 images online, 8 offline |
| Blue Fantail | Rhipidura superciliaris | 2 images online, 5 offline |
| Blue Finch | Porphyrospiza caerulescens | 3 images online, 4 offline |
| Blue Flycatcher | Elminia longicauda | 3 images online, 3 offline |
| Blue Grosbeak | Passerina caerulea | 70 images online, 55 offline |
| Blue Ground-Dove | Claravis pretiosa | 5 images online, 21 offline |
| Blue Jay | Cyanocitta cristata | 97 images online, 63 offline |
| Blue Mockingbird | Melanotis caerulescens | 4 images online, 5 offline |
| Blue Petrel | Halobaena caerulea | 3 images online, 5 offline |
| Blue Rock-Thrush | Monticola solitarius | 14 images online, 2 offline |
| Blue Seedeater | Amaurospiza concolor | 8 images online, 2 offline |
| Blue Swallow | Hirundo atrocaerulea | 1 image online, 1 offline |
| Blue Tit | Parus caeruleus | 46 images online, 69 offline |
| Blue Waxbill | Uraeginthus angolensis | 4 images online, 2 offline |
| Blue Whistling Thrush | Myophonus caeruleus | 5 images online, 2 offline |
| Blue-and-black Tanager | Tangara vassorii | 12 images online, 27 offline |
| Blue-and-gold Tanager | Bangsia arcaei | 1 images online, 2 offline |
| Blue-and-white Flycatcher | Cyanoptila cyanomelana | 6 images online, 3 offline |
| Blue-and-white Swallow | Pygochelidon cyanoleuca | 9 images online, 6 offline |
| Blue-and-yellow Macaw | Ara ararauna | 26 images online, 62 offline |
| Blue-and-yellow Tanager | Thraupis bonariensis | 4 images online, 18 offline |
| Blue-backed Conebill | Conirostrum sitticolor | 4 images online, 9 offline |
| Blue-backed Manakin | Chiroxiphia pareola | 13 images online, 29 offline |
| Blue-banded Kingfisher | Alcedo euryzona | 7 images online, 9 offline |
| Blue-banded Toucanet | Aulacorhynchus coeruleicinctis | 3 images online, 3 offline |
| Blue-bellied Roller | Coracias cyanogaster | 1 image online, 1 offline |
| Blue-bill | Spermophaga haematina | 8 images online, 8 offline |
| Blue-billed Black-Tyrant | Knipolegus cyanirostris | 14 images online, 5 offline |
| Blue-black Grassquit | Volatinia jacarina | 13 images online, 15 offline |
| Blue-black Grosbeak | Cyanocompsa cyanoides | 17 images online, 41 offline |
| Blue-breasted Kingfisher | Halcyon malimbica | 5 images online, 4 offline |
| Blue-breasted Pitta | Pitta erythrogaster | 5 images online, 36 offline |
| Blue-capped Ifrita | Ifrita kowaldi | 3 images online, 2 offline |
| Blue-capped Tanager | Thraupis cyanocephala | 8 images online, 11 offline |
| Blue-cheeked Bee-eater | Merops persicus | 40 image online, 1 offline |
| Blue-cheeked Parrot | Amazona dufresniana | 4 image online, 1 offline |
| Blue-chested Hummingbird | Amazilia amabilis | 23 images online, 4 offline |
| Blue-chinned Sapphire | Chlorestes notatus | 4 images online, 26 offline |
| Blue-crowned Hanging Parrot | Loriculus galgulus | 2 images online, 5 offline |
| Blue-crowned Lory | Vini australis | 1 image online, 1 offline |
| Blue-crowned Manakin | Pipra coronata | 14 images online, 52 offline |
| Blue-crowned Motmot | Momotus momota | 25 images online, 57 offline |
| Blue-crowned Parakeet | Aratinga acuticaudata | 5 images online, 7 offline |
| Blue-crowned Trogon | Trogon curucui | 5 images online, 9 offline |
| Blue-eared Barbet | Megalaima australis | 1 images online, 3 offline |
| Blue-eared Glossy Starling | Lamprotornis chalybaeus | 7 images online, 5 offline |
| Blue-eared Kingfisher | Alcedo meninting | 22 images online, 2 offline |
| Blue-eyed Cockatoo | Cacatua ophthalmica | 2 images online, 31 offline |
| Blue-eyed Shag | Phalacrocorax atriceps | 40 images online, 55 offline |
| Blue-faced Honeyeater | Entomyzon cyanotis | 5 images online, 7 offline |
| Blue-faced Parrot-Finch | Erythrura trichroa | 9 images online, 13 offline |
| Blue-footed Booby | Sula nebouxii | 168 images online, 79 offline |
| Blue-fronted Lancebill | Doryfera johannae | 1 images online, 16 offline |
| Blue-fronted Parrot | Amazona aestiva | 16 images online, 11 offline |
| Blue-fronted Redstart | Phoenicurus frontalis | 2 image online, 1 offline |
| Blue-gray Gnatcatcher | Polioptila caerulea | 59 images online, 23 offline |
| Blue-gray Noddy | Procelsterna cerulea | 3 images online, 17 offline |
| Blue-gray Tanager | Thraupis episcopus | 29 images online, 56 offline |
| Blue-headed Crested Flycatcher | Trochocercus nitens | 2 image online, 1 offline |
| Blue-headed Fantail | Rhipidura cyaniceps | 2 images online, 7 offline |
| Blue-headed Hummingbird | Cyanophaia bicolor | 5 images online, 15 offline |
| Blue-headed Parrot | Pionus menstruus | 13 images online, 14 offline |
| Blue-headed Pitta | Pitta baudii | 20 images online, 3 offline |
| Blue-headed Redstart | Phoenicurus caeruleocephalus | 1 image online, 1 offline |
| Blue-headed Sapphire | Hylocharis grayi | 2 images online, 6 offline |
| Blue-headed Vireo | Vireo solitarius | 29 images online, 17 offline |
| Blue-naped Chlorophonia | Chlorophonia cyanea | 7 images online, 22 offline |
| Blue-naped Mousebird | Urocolius macrourus | 5 images online, 13 offline |
| Blue-naped Parrot | Tanygnathus lucionensis | 2 images online, 2 offline |
| Blue-necked Tanager | Tangara cyanicollis | 7 images online, 21 offline |
| Blue-shouldered Robin-Chat | Cossypha cyanocampter | 2 images online, 7 offline |
| Blue-spotted Wood-Dove | Turtur afer | 1 images online, 2 offline |
| Blue-tailed Bee-eater | Merops philippinus | 2 images online, 2 offline |
| Blue-tailed Emerald | Chlorostilbon mellisugus | 13 images online, 24 offline |
| Blue-tailed Hummingbird | Amazilia cyanura | 1 images online, 8 offline |
| Blue-tailed Trogon | Harpactes reinwardtii | 3 image online, 1 offline |
| Blue-throated Barbet | Megalaima asiatica | 2 images online, 2 offline |
| Blue-throated Bee-eater | Merops viridis | 7 images online, 5 offline |
| Blue-throated Goldentail | Hylocharis eliciae | 1 images online, 3 offline |
| Blue-throated Hummingbird | Lampornis clemenciae | 40 images online, 39 offline |
| Blue-throated Macaw | Ara glaucogularis | 4 images online, 2 offline |
| Blue-throated Motmot | Aspatha gularis | 2 images online, 2 offline |
| Blue-throated Starfrontlet | Coeligena helianthea | 2 images online, 8 offline |
| Blue-tufted Starthroat | Heliomaster furcifer | 4 images online, 25 offline |
| Blue-whiskered Tanager | Tangara johannae | 1 images online, 2 offline |
| Blue-winged Duck | Cyanochen cyanopterus | 4 images online, 6 offline |
| Blue-winged Kookaburra | Dacelo leachii | 13 images online, 26 offline |
| Blue-winged Leafbird | Chloropsis cochinchinensis | 1 image online, 1 offline |
| Blue-winged Macaw | Propyrrhura maracana | 3 images online, 2 offline |
| Blue-winged Mountain-Tanager | Anisognathus flavinuchus | 24 images online, 19 offline |
| Blue-winged Parrot | Neophema chrysostoma | 1 images online, 3 offline |
| Blue-winged Parrotlet | Forpus xanthopterygius | 2 images online, 8 offline |
| Blue-winged Pitta | Pitta moluccensis | 23 images online, 6 offline |
| Blue-winged Teal | Anas discors | 107 images online, 74 offline |
| Blue-winged Warbler | Vermivora pinus | 51 images online, 53 offline |
| Bluethroat | Luscinia svecica | 48 images online, 29 offline |
| Bluish Flowerpiercer | Diglossa caerulescens | 2 images online, 9 offline |
| Bluish-slate Antshrike | Thamnomanes schistogynus | 1 images online, 4 offline |
| Blyth's Hawk-Eagle | Spizaetus alboniger | 3 images online, 3 offline |
| Blyth's Leaf-Warbler | Phylloscopus reguloides | 1 image online, 1 offline |
| Blyth's Reed-Warbler | Acrocephalus dumetorum | 1 image online, 1 offline |
| Boat-billed Flycatcher | Megarynchus pitangua | 9 images online, 8 offline |
| Boat-billed Heron | Cochlearius cochlearius | 20 images online, 32 offline |
| Boat-billed Tody-Tyrant | Hemitriccus josephinae | 1 image online, 1 offline |
| Boat-tailed Grackle | Quiscalus major | 59 images online, 48 offline |
| Bobolink | Dolichonyx oryzivorus | 82 images online, 53 offline |
| Bogota Rail | Rallus semiplumbeus | 2 image online, 1 offline |
| Bohemian Waxwing | Bombycilla garrulus | 58 images online, 21 offline |
| Bokmakierie | Telophorus zeylonus | 3 image online, 1 offline |
| Bolivian Tyrannulet | Zimmerius bolivianus | 1 image online, 1 offline |
| Bonaparte's Gull | Chroicocephalus philadelphia | 100 images online, 74 offline |
| Bonelli's Eagle | Hieraaetus fasciatus | 2 images online, 6 offline |
| Bonin Petrel | Pterodroma hypoleuca | 2 images online, 10 offline |
| Boobook Owl | Ninox novaeseelandiae | 9 images online, 7 offline |
| Booted Eagle | Hieraaetus pennatus | 8 images online, 2 offline |
| Booted Rackettail | Ocreatus underwoodii | 74 images online, 22 offline |
| Booted Warbler | Hippolais caligata | 2 images online, 2 offline |
| Boreal Chickadee | Poecile hudsonica | 31 images online, 16 offline |
| Boreal Owl | Aegolius funereus | 20 images online, 20 offline |
| Bornean Blue-Flycatcher | Cyornis superba | 16 images online, 4 offline |
| Bornean Stubtail | Urosphena whiteheadi | 3 images online, 2 offline |
| Bornean Wren-Babbler | Ptilocichla leucogrammica | 3 images online, 3 offline |
| Botteri's Sparrow | Aimophila botterii | 20 images online, 24 offline |
| Boucard's Wren | Campylorhynchus jocosus | 4 image online, 1 offline |
| Bourke's Parrot | Neophema bourkii | 2 images online, 2 offline |
| Bradfield's Hornbill | Tockus bradfieldi | 1 image online, 1 offline |
| Brahminy Kite | Haliastur indus | 8 images online, 35 offline |
| Brahminy Starling | Sturnus pagodarum | 8 images online, 5 offline |
| Brambling | Fringilla montifringilla | 20 images online, 12 offline |
| Bran-colored Flycatcher | Myiophobus fasciatus | 8 images online, 23 offline |
| Brandt's Cormorant | Phalacrocorax penicillatus | 63 images online, 44 offline |
| Brant | Branta bernicla | 100 images online, 51 offline |
| Brassy-breasted Tanager | Tangara desmaresti | 3 images online, 8 offline |
| Brazilian Ruby | Clytolaema rubricauda | 14 images online, 83 offline |
| Brazilian Tanager | Ramphocelus bresilius | 9 images online, 28 offline |
| Brazilian Teal | Amazonetta brasiliensis | 14 images online, 8 offline |
| Brewer's Blackbird | Euphagus cyanocephalus | 48 images online, 51 offline |
| Brewer's Sparrow | Spizella breweri | 35 images online, 24 offline |
| Bridled Honeyeater | Lichenostomus frenatus | 1 images online, 4 offline |
| Bridled Sparrow | Aimophila mystacalis | 3 image online, 1 offline |
| Bridled Tern | Onychoprion anaethetus | 31 images online, 20 offline |
| Bridled Titmouse | Baeolophus wollweberi | 19 images online, 10 offline |
| Bright-rumped Attila | Attila spadiceus | 15 images online, 17 offline |
| Brimstone Canary | Serinus sulphuratus | 7 images online, 2 offline |
| Bristle-crowned Starling | Onychognathus salvadorii | 1 images online, 4 offline |
| Bristle-thighed Curlew | Numenius tahitiensis | 21 images online, 20 offline |
| Broad-billed Hummingbird | Cynanthus latirostris | 89 images online, 50 offline |
| Broad-billed Motmot | Electron platyrhynchum | 19 images online, 25 offline |
| Broad-billed Prion | Pachyptila vittata | 11 images online, 3 offline |
| Broad-billed Roller | Eurystomus glaucurus | 6 image online, 1 offline |
| Broad-billed Sandpiper | Limicola falcinellus | 13 images online, 8 offline |
| Broad-billed Tody | Todus subulatus | 1 images online, 6 offline |
| Broad-tailed Hummingbird | Selasphorus platycercus | 61 images online, 53 offline |
| Broad-winged Hawk | Buteo platypterus | 74 images online, 62 offline |
| Brolga | Grus rubicunda | 6 images online, 15 offline |
| Bronze Mannikin | Lonchura cucullata | 6 images online, 7 offline |
| Bronze Sunbird | Nectarinia kilimensis | 7 images online, 11 offline |
| Bronze-olive Pygmy-Tyrant | Pseudotriccus pelzelni | 6 images online, 16 offline |
| Bronze-tailed Barbthroat | Threnetes loehkeni | 1 images online, 3 offline |
| Bronze-tailed Plumeleteer | Chalybura urochrysia | 6 images online, 24 offline |
| Bronze-tailed Thornbill | Chalcostigma heteropogon | 1 images online, 5 offline |
| Bronze-winged Jacana | Metopidius indicus | 6 images online, 3 offline |
| Bronze-winged Parrot | Pionus chalcopterus | 4 image online, 1 offline |
| Bronzed Cowbird | Molothrus aeneus | 47 images online, 24 offline |
| Bronzed Drongo | Dicrurus aeneus | 1 images online, 2 offline |
| Bronzy Hermit | Glaucis aeneus | 1 images online, 5 offline |
| Bronzy Inca | Coeligena coeligena | 4 images online, 11 offline |
| Bronzy Jacamar | Galbula leucogastra | 2 images online, 6 offline |
| Brown Accentor | Prunella fulvescens | 6 images online, 3 offline |
| Brown Bittern | Botaurus poiciloptilus | 1 images online, 3 offline |
| Brown Booby | Sula leucogaster | 76 images online, 88 offline |
| Brown Cacholote | Pseudoseisura lophotes | 2 images online, 6 offline |
| Brown Creeper | Certhia americana | 24 images online, 43 offline |
| Brown Eared-Pheasant | Crossoptilon mantchuricum | 1 image online, 1 offline |
| Brown Falcon | Falco berigora | 20 images online, 73 offline |
| Brown Fish-Owl | Ketupa zeylonensis | 7 images online, 9 offline |
| Brown Fulvetta | Alcippe brunneicauda | 3 images online, 3 offline |
| Brown Hawk-Owl | Ninox scutulata | 5 images online, 6 offline |
| Brown Honeyeater | Lichmera indistincta | 3 images online, 4 offline |
| Brown Inca | Coeligena wilsoni | 19 images online, 22 offline |
| Brown Jacamar | Brachygalba lugubris | 3 images online, 6 offline |
| Brown Jay | Cyanocorax morio | 12 images online, 8 offline |
| Brown Kiwi | Apteryx australis | 9 images online, 8 offline |
| Brown Noddy | Anous stolidus | 62 images online, 70 offline |
| Brown Nunlet | Nonnula brunnea | 6 images online, 7 offline |
| Brown Oriole | Oriolus szalayi | 1 images online, 3 offline |
| Brown Owl | Ninox theomacha | 4 images online, 12 offline |
| Brown Pelican | Pelecanus occidentalis | 342 images online, 365 offline |
| Brown Quail | Synoicus ypsilophorus | 4 images online, 2 offline |
| Brown Shrike | Lanius cristatus | 12 images online, 9 offline |
| Brown Sicklebill | Epimachus meyeri | 8 images online, 35 offline |
| Brown Skua | Stercorarius lonnbergi | 49 images online, 37 offline |
| Brown Snake Eagle | Circaetus cinereus | 10 images online, 4 offline |
| Brown Songlark | Cinclorhamphus cruralis | 2 images online, 3 offline |
| Brown Teal | Anas aucklandica | 27 images online, 8 offline |
| Brown Thrasher | Toxostoma rufum | 58 images online, 73 offline |
| Brown Tinamou | Crypturellus obsoletus | 2 images online, 2 offline |
| Brown Tit-Babbler | Macronous striaticeps | 6 images online, 4 offline |
| Brown Trembler | Cinclocerthia ruficauda | 8 images online, 5 offline |
| Brown Violet-ear | Colibri delphinae | 19 images online, 34 offline |
| Brown Whistler | Pachycephala simplex | 7 images online, 8 offline |
| Brown-and-yellow Marshbird | Pseudoleistes virescens | 4 images online, 5 offline |
| Brown-backed Chat-Tyrant | Ochthoeca fumicolor | 11 images online, 15 offline |
| Brown-banded Puffbird | Notharchus ordii | 1 images online, 2 offline |
| Brown-bellied Antwren | Myrmotherula gutturalis | 3 images online, 16 offline |
| Brown-bellied Swallow | Notiochelidon murina | 2 images online, 3 offline |
| Brown-billed Scythebill | Campylorhamphus pusillus | 1 images online, 14 offline |
| Brown-breasted Bamboo-Tyrant | Hemitriccus obsoletus | 2 images online, 6 offline |
| Brown-breasted Barbet | Lybius melanopterus | 3 image online, 1 offline |
| Brown-breasted Gerygone | Gerygone ruficollis | 2 images online, 2 offline |
| Brown-capped Rosy-Finch | Leucosticte australis | 25 images online, 2 offline |
| Brown-capped Tyrannulet | Ornithion brunneicapillus | 1 images online, 2 offline |
| Brown-capped Vireo | Vireo leucophrys | 7 images online, 10 offline |
| Brown-cheeked Fulvetta | Alcippe poioicephala | 1 images online, 2 offline |
| Brown-chested Alethe | Alethe poliocephala | 4 images online, 10 offline |
| Brown-chested Martin | Progne tapera | 3 images online, 8 offline |
| Brown-crested Flycatcher | Myiarchus tyrannulus | 44 images online, 29 offline |
| Brown-crowned Tchagra | Tchagra australis | 2 images online, 5 offline |
| Brown-flanked Tanager | Thlypopsis pectoralis | 1 images online, 2 offline |
| Brown-headed Cowbird | Molothrus ater | 93 images online, 78 offline |
| Brown-headed Gull | Larus brunnicephalus | 3 images online, 7 offline |
| Brown-headed Nuthatch | Sitta pusilla | 19 images online, 7 offline |
| Brown-headed Parrot | Poicephalus cryptoxanthus | 5 image online, 1 offline |
| Brown-headed Thrush | Turdus chrysolaus | 2 images online, 2 offline |
| Brown-hooded Gull | Larus maculipennis | 17 images online, 20 offline |
| Brown-hooded Kingfisher | Halcyon albiventris | 9 images online, 2 offline |
| Brown-hooded Parrot | Pionopsitta haematotis | 3 images online, 4 offline |
| Brown-mandibled Aracari | Pteroglossus mariae | 1 images online, 8 offline |
| Brown-necked Raven | Corvus ruficollis | 11 images online, 7 offline |
| Brown-rumped Foliage-gleaner | Automolus melanopezus | 1 images online, 5 offline |
| Brown-throated Parakeet | Aratinga pertinax | 18 images online, 8 offline |
| Brownish Elaenia | Elaenia pelzelni | 1 image online, 1 offline |
| Brownish Flycatcher | Cnipodectes subbrunneus | 7 images online, 9 offline |
| Brownish-flanked Bush-Warbler | Cettia fortipes | 2 images online, 2 offline |
| Bruce's Green-Pigeon | Treron waalia | 4 image online, 1 offline |
| Brush Bronzewing | Phaps elegans | 3 images online, 16 offline |
| Brush Cuckoo | Cacomantis variolosus | 9 images online, 10 offline |
| Brush Turkey | Alectura lathami | 7 images online, 7 offline |
| Brushland Tinamou | Nothoprocta cinerascens | 1 image online, 1 offline |
| Buckley's Ground Pigeon | Columbina buckleyi | 1 images online, 6 offline |
| Budgerigar | Melopsittacus undulatus | 10 images online, 100 offline |
| Buff-banded Rail | Rallus philippensis | 9 images online, 12 offline |
| Buff-bellied Hermit | Phaethornis subochraceus | 1 images online, 3 offline |
| Buff-bellied Hummingbird | Amazilia yucatanensis | 19 images online, 15 offline |
| Buff-bellied Tanager | Thlypopsis inornata | 1 images online, 3 offline |
| Buff-breasted Flycatcher | Empidonax fulvifrons | 22 images online, 19 offline |
| Buff-breasted Mountain-Tanager | Dubusia taeniata | 7 images online, 7 offline |
| Buff-breasted Paradise-Kingfisher | Tanysiptera sylvia | 2 images online, 2 offline |
| Buff-breasted Sandpiper | Tryngites subruficollis | 60 images online, 79 offline |
| Buff-breasted Wren | Thryothorus leucotis | 10 images online, 22 offline |
| Buff-browed Foliage-gleaner | Syndactyla rufosuperciliata | 2 images online, 8 offline |
| Buff-collared Nightjar | Caprimulgus ridgwayi | 11 images online, 3 offline |
| Buff-faced Pygmy Parrot | Micropsitta pusio | 1 images online, 6 offline |
| Buff-faced Sericornis | Sericornis perspicillatus | 1 images online, 11 offline |
| Buff-fronted Foliage-gleaner | Philydor rufum | 4 images online, 8 offline |
| Buff-fronted Owl | Aegolius harrisii | 1 images online, 3 offline |
| Buff-necked Ibis | Theristicus caudatus | 11 images online, 24 offline |
| Buff-necked Woodpecker | Meiglyptes tukki | 11 images online, 7 offline |
| Buff-rumped Warbler | Phaeothlypis fulvicauda | 15 images online, 28 offline |
| Buff-rumped Woodpecker | Meiglyptes tristis | 1 image online, 1 offline |
| Buff-streaked Chat | Saxicola bifasciata | 10 image online, 1 offline |
| Buff-tailed Coronet | Boissonneaua flavescens | 55 images online, 13 offline |
| Buff-tailed Sicklebill | Eutoxeres condamini | 4 images online, 25 offline |
| Buff-throated Foliage-gleaner | Automolus ochrolaemus | 6 images online, 14 offline |
| Buff-throated Saltator | Saltator maximus | 7 images online, 32 offline |
| Buff-throated Tody-Tyrant | Hemitriccus rufigularis | 1 image online, 1 offline |
| Buff-throated Treehunter | Thripadectes scrutator | 1 images online, 2 offline |
| Buff-throated Woodcreeper | Xiphorhynchus guttatus | 1 images online, 11 offline |
| Buff-vented Bulbul | Hypsipetes charlottae | 6 image online, 1 offline |
| Buff-winged Starfrontlet | Coeligena lutetiae | 12 images online, 16 offline |
| Bufflehead | Bucephala albeola | 116 images online, 22 offline |
| Buffy Fish-Owl | Ketupa ketupu | 5 images online, 2 offline |
| Buffy Hummingbird | Leucippus fallax | 3 image online, 1 offline |
| Buffy-fronted Seedeater | Sporophila frontalis | 5 images online, 4 offline |
| Bull-headed Shrike | Lanius bucephalus | 5 image online, 1 offline |
| Buller's Albatross | Thalassarche bulleri | 43 images online, 11 offline |
| Buller's Shearwater | Puffinus bulleri | 13 images online, 9 offline |
| Bullock's Oriole | Icterus bullockii | 56 images online, 33 offline |
| Bulwer's Petrel | Bulweria bulwerii | 2 images online, 5 offline |
| Bulwer's Pheasant | Lophura bulweri | 1 images online, 7 offline |
| Bumblebee Hummingbird | Atthis heloisa | 13 images online, 10 offline |
| Burchell's Starling | Lamprotornis australis | 6 images online, 2 offline |
| Burnished-buff Tanager | Tangara cayana | 10 images online, 41 offline |
| Burrowing Owl | Athene cunicularia | 118 images online, 130 offline |
| Burrowing Parrot | Cyanoliseus patagonus | 4 images online, 6 offline |
| Bush Thick-Knee | Burhinus grallarius | 7 image online, 1 offline |
| Bushcurlew | Burhinus magnirostris | 1 image online, 1 offline |
| Bushtit | Psaltriparus minimus | 49 images online, 24 offline |
| Bushveld Pipit | Anthus caffer | 2 image online, 1 offline |
| Bushy-crested Jay | Cyanocorax melanocyaneus | 1 image online, 1 offline |
| Buton Hornbill | Aceros cassidix | 1 image online, 1 offline |
| Caatinga Cacholote | Pseudoseisura cristata | 8 images online, 5 offline |
| Cabanis's Spinetail | Synallaxis cabanisi | 2 images online, 2 offline |
| Cabot's Tragopan | Tragopan caboti | 2 images online, 4 offline |
| Cackling Goose | Branta hutchinsii | 70 images online, 2 offline |
| Cactus Wren | Campylorhynchus brunneicapillus | 65 images online, 63 offline |
| Calandra Lark | Melanocorypha calandra | 4 image online, 1 offline |
| California Condor | Gymnogyps californianus | 92 images online, 38 offline |
| California Gnatcatcher | Polioptila californica | 20 image online, 1 offline |
| California Gull | Larus californicus | 126 images online, 137 offline |
| California Quail | Callipepla californica | 56 images online, 43 offline |
| California Thrasher | Toxostoma redivivum | 29 images online, 27 offline |
| California Towhee | Pipilo crissalis | 22 images online, 52 offline |
| Calliope Hummingbird | Stellula calliope | 56 images online, 36 offline |
| Cameroon Mountain Greenbul | Andropadus montanus | 2 image online, 1 offline |
| Cameroon Speirops | Speirops melanocephala | 6 images online, 6 offline |
| Cameroon Sunbird | Cyanomitra oritis | 4 images online, 2 offline |
| Campbell Island Shag | Phalacrocorax campbelli | 6 image online, 1 offline |
| Campo Flicker | Colaptes campestris | 9 images online, 17 offline |
| Canada Goose | Branta canadensis | 206 images online, 194 offline |
| Canada Warbler | Wilsonia canadensis | 62 images online, 51 offline |
| Canary Flycatcher | Culicicapa helianthea | 1 image online, 1 offline |
| Canary Islands Chat | Saxicola dacotiae | 4 image online, 1 offline |
| Canary-winged Finch | Melanodera melanodera | 10 images online, 15 offline |
| Canvasback | Aythya valisineria | 81 images online, 42 offline |
| Canyon Towhee | Pipilo fuscus | 40 images online, 19 offline |
| Canyon Wren | Catherpes mexicanus | 42 images online, 12 offline |
| Cape Barren Goose | Cereopsis novaehollandiae | 12 images online, 12 offline |
| Cape Bunting | Emberiza capensis | 5 images online, 2 offline |
| Cape Cormorant | Phalacrocorax capensis | 5 images online, 17 offline |
| Cape Eagle-Owl | Bubo capensis | 5 images online, 7 offline |
| Cape Gannet | Morus capensis | 15 images online, 21 offline |
| Cape May Warbler | Dendroica tigrina | 83 images online, 59 offline |
| Cape Parrot | Poicephalus robustus | 1 image online, 1 offline |
| Cape Penduline Tit | Anthoscopus minutus | 1 image online, 1 offline |
| Cape Petrel | Daption capense | 42 images online, 63 offline |
| Cape Puffback | Batis capensis | 1 image online, 1 offline |
| Cape Robin-Chat | Cossypha caffra | 8 images online, 2 offline |
| Cape Rockjumper | Chaetops frenatus | 2 image online, 1 offline |
| Cape Starling | Lamprotornis nitens | 8 images online, 4 offline |
| Cape Sugarbird | Promerops cafer | 8 images online, 9 offline |
| Cape Teal | Anas capensis | 7 images online, 16 offline |
| Cape Vulture | Gyps coprotheres | 18 images online, 3 offline |
| Cape Wagtail | Motacilla capensis | 5 images online, 2 offline |
| Cape Weaver | Ploceus capensis | 7 image online, 1 offline |
| Capercaillie | Tetrao urogallus | 27 images online, 4 offline |
| Capped Conebill | Conirostrum albifrons | 3 images online, 7 offline |
| Capped Heron | Pilherodius pileatus | 5 images online, 5 offline |
| Capped Seedeater | Sporophila bouvreuil | 7 images online, 11 offline |
| Capped Wheatear | Oenanthe pileata | 2 images online, 3 offline |
| Capuchinbird | Perissocephalus tricolor | 1 images online, 7 offline |
| Carbonated Flowerpiercer | Diglossa carbonaria | 1 images online, 4 offline |
| Carbonated Sierra-Finch | Phrygilus carbonarius | 1 image online, 1 offline |
| Cardinal Honeyeater | Myzomela cardinalis | 1 images online, 2 offline |
| Cardinal Lory | Chalcopsitta cardinalis | 1 images online, 3 offline |
| Cardinal Woodpecker | Dendropicos fuscescens | 10 images online, 3 offline |
| Carib Grackle | Quiscalus lugubris | 17 images online, 20 offline |
| Caribbean Dove | Leptotila jamaicensis | 6 images online, 6 offline |
| Caribbean Elaenia | Elaenia martinica | 12 images online, 17 offline |
| Caribbean Martin | Progne dominicensis | 7 images online, 2 offline |
| Carmine Bee-eater | Merops nubicus | 12 images online, 38 offline |
| Carolina Chickadee | Poecile carolinensis | 28 images online, 55 offline |
| Carolina Parakeet | Conuropsis carolinensis | 7 images online, 16 offline |
| Carolina Wren | Thryothorus ludovicianus | 53 images online, 50 offline |
| Carrion Crow | Corvus corone | 10 images online, 8 offline |
| Carunculated Caracara | Phalcoboenus carunculatus | 10 image online, 1 offline |
| Caspian Plover | Charadrius asiaticus | 2 images online, 4 offline |
| Caspian Tern | Hydroprogne caspia | 92 images online, 62 offline |
| Cassin's Auklet | Ptychoramphus aleuticus | 13 images online, 11 offline |
| Cassin's Finch | Carpodacus cassinii | 45 images online, 34 offline |
| Cassin's Kingbird | Tyrannus vociferans | 17 images online, 15 offline |
| Cassin's Sparrow | Aimophila cassinii | 38 images online, 29 offline |
| Cassin's Vireo | Vireo cassinii | 27 images online, 2 offline |
| Castlenau's Antshrike | Thamnophilus cryptoleucus | 1 images online, 9 offline |
| Cattle Egret | Bubulcus ibis | 158 images online, 179 offline |
| Cattle Tyrant | Machetornis rixosa | 6 images online, 18 offline |
| Cave Swallow | Petrochelidon fulva | 32 images online, 17 offline |
| Cayenne Jay | Cyanocorax cayanus | 1 images online, 2 offline |
| Cayenne Tern | Sterna eurygnatha | 7 images online, 3 offline |
| Cedar Waxwing | Bombycilla cedrorum | 122 images online, 103 offline |
| Celebes Imperial-Pigeon | Ducula forsteni | 2 image online, 1 offline |
| Celebes Quail-Dove | Gallicolumba tristigmata | 1 images online, 2 offline |
| Cerulean Warbler | Dendroica cerulea | 34 images online, 31 offline |
| Ceylon Junglefowl | Gallus lafayettei | 3 image online, 1 offline |
| Chaco Chachalaca | Ortalis canicollis | 6 images online, 5 offline |
| Chalk-browed Mockingbird | Mimus saturninus | 8 images online, 7 offline |
| Changeable Hawk-Eagle | Spizaetus cirrhatus | 5 images online, 17 offline |
| Channel-billed Cuckoo | Scythrops novaehollandiae | 2 image online, 1 offline |
| Channel-billed Toucan | Ramphastos vitellinus | 7 images online, 19 offline |
| Chat Shrike | Lanioturdus torquatus | 6 images online, 2 offline |
| Chatham Island Oystercatcher | Haematopus chathamensis | 3 image online, 1 offline |
| Chattering Lory | Lorius garrulus | 3 images online, 2 offline |
| Checker-throated Antwren | Myrmotherula fulviventris | 8 images online, 20 offline |
| Checker-throated Woodpecker | Picus mentalis | 8 images online, 3 offline |
| Cheer Pheasant | Catreus wallichi | 1 images online, 2 offline |
| Chestnut Munia | Lonchura atricapilla | 1 images online, 3 offline |
| Chestnut Piculet | Picumnus cinnamomeus | 2 images online, 2 offline |
| Chestnut Quail-Thrush | Cinclosoma castanotum | 1 images online, 3 offline |
| Chestnut Sparrow | Passer eminibey | 4 images online, 2 offline |
| Chestnut Teal | Anas castanea | 1 images online, 6 offline |
| Chestnut Wattle-eye | Dyaphorophyia castanea | 9 images online, 6 offline |
| Chestnut Weaver | Ploceus rubiginosus | 3 images online, 5 offline |
| Chestnut Woodpecker | Celeus elegans | 9 images online, 25 offline |
| Chestnut-backed Antbird | Myrmeciza exsul | 20 images online, 23 offline |
| Chestnut-backed Antshrike | Thamnophilus palliatus | 3 images online, 12 offline |
| Chestnut-backed Chickadee | Poecile rufescens | 27 images online, 17 offline |
| Chestnut-backed Scimitar-Babbler | Pomatorhinus montanus | 1 images online, 3 offline |
| Chestnut-backed Sparrow-Lark | Eremopterix leucotis | 1 image online, 1 offline |
| Chestnut-backed Tanager | Tangara preciosa | 2 images online, 6 offline |
| Chestnut-backed Thrush | Zoothera dohertyi | 1 image online, 1 offline |
| Chestnut-banded Plover | Charadrius pallidus | 8 images online, 3 offline |
| Chestnut-bellied Cotinga | Doliornis remseni | 2 images online, 2 offline |
| Chestnut-bellied Cuckoo | Hyetornis pluvialis | 2 images online, 3 offline |
| Chestnut-bellied Euphonia | Euphonia pectoralis | 8 images online, 7 offline |
| Chestnut-bellied Malcoha | Rhopodytes sumatranus | 4 images online, 2 offline |
| Chestnut-bellied Monarch | Monarcha castaneiventris | 1 image online, 1 offline |
| Chestnut-bellied Mountain-Tanager | Delothraupis castaneoventris | 1 images online, 2 offline |
| Chestnut-bellied Nuthatch | Sitta castanea | 2 image online, 1 offline |
| Chestnut-bellied Sandgrouse | Pterocles exustus | 17 images online, 20 offline |
| Chestnut-bellied Seedeater | Sporophila castaneiventris | 7 images online, 6 offline |
| Chestnut-bellied Tree-Partridge | Arborophila javanica | 1 image online, 1 offline |
| Chestnut-belted Gnateater | Conopophaga aurita | 1 images online, 9 offline |
| Chestnut-breasted Coronet | Boissonneaua matthewsii | 30 images online, 5 offline |
| Chestnut-breasted Cuckoo | Cacomantis castaneiventris | 4 images online, 17 offline |
| Chestnut-breasted Malcoha | Rhamphococcyx curvirostris | 5 image online, 1 offline |
| Chestnut-breasted Negro-Finch | Nigrita bicolor | 7 image online, 1 offline |
| Chestnut-breasted Wren | Cyphorhinus thoracicus | 2 images online, 4 offline |
| Chestnut-capped Blackbird | Agelaius ruficapillus | 4 images online, 8 offline |
| Chestnut-capped Brush-Finch | Buarremon brunneinucha | 9 images online, 20 offline |
| Chestnut-capped Laughingthrush | Garrulax mitratus | 11 images online, 4 offline |
| Chestnut-capped Piha | Lipaugus weberi | 1 images online, 4 offline |
| Chestnut-capped Puffbird | Bucco macrodactylus | 2 images online, 19 offline |
| Chestnut-capped Thrush | Zoothera interpres | 12 images online, 5 offline |
| Chestnut-collared Longspur | Calcarius ornatus | 37 images online, 18 offline |
| Chestnut-collared Swallow | Hirundo rufocollaris | 1 images online, 3 offline |
| Chestnut-colored Woodpecker | Celeus castaneus | 5 images online, 3 offline |
| Chestnut-crested Antbird | Rhegmatorhina cristata | 3 images online, 2 offline |
| Chestnut-crowned Antpitta | Grallaria ruficapilla | 17 images online, 4 offline |
| Chestnut-crowned Becard | Pachyramphus castaneus | 4 images online, 7 offline |
| Chestnut-crowned Foliage-gleaner | Automolus rufipileatus | 2 images online, 10 offline |
| Chestnut-crowned Gnateater | Conopophaga castaneiceps | 1 images online, 6 offline |
| Chestnut-crowned Laughingthrush | Garrulax erythrocephalus | 7 images online, 3 offline |
| Chestnut-eared Aracari | Pteroglossus castanotis | 5 images online, 15 offline |
| Chestnut-eared Bulbul | Hypsipetes amaurotis | 4 images online, 2 offline |
| Chestnut-eared Bunting | Emberiza fucata | 4 image online, 1 offline |
| Chestnut-fronted Macaw | Ara severa | 7 images online, 5 offline |
| Chestnut-headed Bee-eater | Merops leschenaulti | 1 images online, 3 offline |
| Chestnut-headed Crake | Anurolimnas castaneiceps | 2 images online, 6 offline |
| Chestnut-headed Oropendola | Psarocolius wagleri | 8 images online, 6 offline |
| Chestnut-headed Tanager | Pyrrhocoma ruficeps | 6 images online, 6 offline |
| Chestnut-headed Tesia | Oligura castaneocoronata | 1 images online, 2 offline |
| Chestnut-mandibled Toucan | Ramphastos swainsonii | 22 images online, 4 offline |
| Chestnut-naped Forktail | Enicurus ruficapillus | 2 images online, 7 offline |
| Chestnut-rumped Babbler | Stachyris maculata | 8 images online, 9 offline |
| Chestnut-rumped Woodcreeper | Xiphorhynchus pardalotus | 4 images online, 5 offline |
| Chestnut-shouldered Petronia | Petronia xanthocollis | 2 images online, 2 offline |
| Chestnut-sided Warbler | Dendroica pensylvanica | 105 images online, 87 offline |
| Chestnut-tailed Antbird | Myrmeciza hemimelaena | 1 images online, 7 offline |
| Chestnut-tailed Minla | Minla strigula | 8 images online, 5 offline |
| Chestnut-tailed Thornbill | Acanthiza uropygialis | 1 images online, 2 offline |
| Chestnut-throated Seedeater | Sporophila telasco | 2 images online, 2 offline |
| Chestnut-throated Spinetail | Synallaxis cherriei | 1 image online, 1 offline |
| Chestnut-tipped Toucanet | Aulacorhynchus derbianus | 1 images online, 5 offline |
| Chestnut-winged Babbler | Stachyris erythroptera | 15 image online, 1 offline |
| Chestnut-winged Cuckoo | Clamator coromandus | 1 image online, 1 offline |
| Chestnut-winged Foliage-gleaner | Philydor erythropterus | 1 image online, 1 offline |
| Chestnut-winged Hookbill | Ancistrops strigilatus | 1 image online, 1 offline |
| Chicli Spinetail | Synallaxis spixi | 2 images online, 4 offline |
| Chiffchaff | Phylloscopus collybita | 17 images online, 3 offline |
| Chiguanco Thrush | Turdus chiguanco | 2 image online, 1 offline |
| Chihuahuan Raven | Corvus cryptoleucus | 33 images online, 11 offline |
| Chilean Flamingo | Phoenicopterus chilensis | 17 images online, 83 offline |
| Chilean Flicker | Colaptes pitius | 15 images online, 5 offline |
| Chilean Skua | Stercorarius chilensis | 3 images online, 5 offline |
| Chilean Swallow | Tachycineta meyeni | 2 images online, 7 offline |
| Chiloe Wigeon | Anas sibilatrix | 10 images online, 4 offline |
| Chimango Caracara | Milvago chimango | 11 images online, 20 offline |
| Chimborazo Hillstar | Oreotrochilus chimborazo | 13 images online, 17 offline |
| Chimney Swift | Chaetura pelagica | 42 images online, 13 offline |
| Chin-spot Puffback | Batis molitor | 9 images online, 6 offline |
| Chinchipe Spinetail | Synallaxis chinchipensis | 1 images online, 3 offline |
| Chinese Egret | Egretta eulophotes | 5 images online, 4 offline |
| Chinese Francolin | Francolinus pintadeanus | 5 image online, 1 offline |
| Chinese Pond-Heron | Ardeola bacchus | 9 images online, 3 offline |
| Chinese Sparrowhawk | Accipiter soloensis | 3 image online, 1 offline |
| Chinstrap Penguin | Pygoscelis antarctica | 80 images online, 81 offline |
| Chipping Sparrow | Spizella passerina | 72 images online, 59 offline |
| Chiriqui Quail-Dove | Geotrygon chiriquensis | 4 image online, 1 offline |
| Chiriqui Yellowthroat | Geothlypis chiriquensis | 1 images online, 2 offline |
| Choco Poorwill | Nyctiphrynus rosenbergi | 4 image online, 1 offline |
| Choco Toucan | Ramphastos brevis | 2 images online, 17 offline |
| Choco Vireo | Vireo masteri | 3 images online, 13 offline |
| Choco Warbler | Basileuterus chlorophrys | 3 images online, 2 offline |
| Chopi Blackbird | Gnorimopsar chopi | 2 images online, 10 offline |
| Chotoy Spinetail | Schoeniophylax phryganophila | 5 images online, 4 offline |
| Christine's Barbthroat | Threnetes cristinae | 1 images online, 4 offline |
| Christmas Shearwater | Puffinus nativitatis | 4 images online, 10 offline |
| Chubb's Cisticola | Cisticola chubbi | 1 images online, 2 offline |
| Chucao Tapaculo | Scelorchilus rubecula | 3 images online, 5 offline |
| Chuck-will's-widow | Caprimulgus carolinensis | 13 images online, 12 offline |
| Chukar | Alectoris chukar | 11 images online, 10 offline |
| Cicadabird | Coracina tenuirostris | 2 images online, 6 offline |
| Cinereous Antshrike | Thamnomanes caesius | 6 images online, 26 offline |
| Cinereous Becard | Pachyramphus rufus | 4 images online, 5 offline |
| Cinereous Bunting | Emberiza cineracea | 1 images online, 2 offline |
| Cinereous Conebill | Conirostrum cinereum | 9 images online, 2 offline |
| Cinereous Mourner | Laniocera hypopyrra | 6 images online, 17 offline |
| Cinereous Tyrant | Knipolegus striaticeps | 5 image online, 1 offline |
| Cinereous Vulture | Aegypius monachus | 86 images online, 18 offline |
| Cinereous-breasted Spinetail | Synallaxis hypospodia | 3 images online, 2 offline |
| Cinnamon Attila | Attila cinnamomeus | 3 images online, 5 offline |
| Cinnamon Becard | Pachyramphus cinnamomeus | 14 images online, 14 offline |
| Cinnamon Bittern | Ixobrychus cinnamomeus | 1 images online, 4 offline |
| Cinnamon Bracken-Warbler | Bradypterus cinnamomeus | 1 image online, 1 offline |
| Cinnamon Flycatcher | Pyrrhomyias cinnamomea | 12 images online, 13 offline |
| Cinnamon Hummingbird | Amazilia rutila | 9 images online, 6 offline |
| Cinnamon Manakin | Neopipo cinnamomea | 1 images online, 7 offline |
| Cinnamon Tanager | Schistochlamys ruficapillus | 2 images online, 17 offline |
| Cinnamon Teal | Anas cyanoptera | 56 images online, 41 offline |
| Cinnamon White-eye | Hypocryptadius cinnamomeus | 2 images online, 3 offline |
| Cinnamon Woodpecker | Celeus loricatus | 7 images online, 5 offline |
| Cinnamon-banded Kingfisher | Todirhamphus australasia | 1 image online, 1 offline |
| Cinnamon-bellied Flowerpiercer | Diglossa baritula | 6 images online, 5 offline |
| Cinnamon-bellied Ground-Tyrant | Muscisaxicola capistrata | 1 image online, 1 offline |
| Cinnamon-breasted Bunting | Emberiza tahapisi | 5 images online, 5 offline |
| Cinnamon-breasted Melidectes | Melidectes torquatus | 3 images online, 5 offline |
| Cinnamon-breasted Tody-Tyrant | Hemitriccus cinnamomeipectus | 1 images online, 2 offline |
| Cinnamon-chested Bee-eater | Merops oreobates | 5 images online, 5 offline |
| Cinnamon-crested Spadebill | Platyrinchus saturatus | 6 images online, 9 offline |
| Cinnamon-rumped Foliage-gleaner | Philydor pyrrhodes | 2 images online, 11 offline |
| Cinnamon-rumped Trogon | Harpactes orrhophaeus | 1 images online, 3 offline |
| Cinnamon-throated Hermit | Phaethornis nattereri | 2 images online, 15 offline |
| Cinnamon-throated Woodcreeper | Dendrexetastes rufigula | 1 images online, 6 offline |
| Citreoline Trogon | Trogon citreolus | 4 images online, 2 offline |
| Citrine Wagtail | Motacilla citreola | 14 images online, 5 offline |
| Citrine Warbler | Basileuterus luteoviridis | 5 images online, 11 offline |
| Citron-bellied Attila | Attila citriniventris | 2 images online, 4 offline |
| Citron-throated Toucan | Ramphastos citreolaemus | 2 images online, 5 offline |
| Clamorous Reed-Warbler | Acrocephalus stentoreus | 2 images online, 42 offline |
| Clapper Rail | Rallus longirostris | 61 images online, 52 offline |
| Clark's Grebe | Aechmophorus clarkii | 46 images online, 26 offline |
| Clark's Nutcracker | Nucifraga columbiana | 48 images online, 43 offline |
| Clay-colored Sparrow | Spizella pallida | 55 images online, 13 offline |
| Clay-colored Thrush | Turdus grayi | 27 images online, 12 offline |
| Cliff Chat | Thamnolaea cinnamomeiventris | 10 images online, 3 offline |
| Cliff Flycatcher | Hirundinea ferruginea | 3 images online, 4 offline |
| Cliff Swallow | Petrochelidon pyrrhonota | 78 images online, 67 offline |
| Cloud-forest Pygmy-Owl | Glaucidium nubicola | 1 images online, 6 offline |
| Club-winged Manakin | Machaeropterus deliciosus | 22 images online, 13 offline |
| Coal Tit | Parus ater | 19 images online, 13 offline |
| Coal-crested Finch | Charitospiza eucosma | 1 images online, 8 offline |
| Cobalt-winged Parakeet | Brotogeris cyanoptera | 14 images online, 10 offline |
| Cobb's Wren | Troglodytes cobbi | 8 images online, 3 offline |
| Cocha Antshrike | Thamnophilus praecox | 2 images online, 4 offline |
| Cock-tailed Tyrant | Alectrurus tricolor | 2 images online, 3 offline |
| Cockatiel | Nymphicus hollandicus | 2 images online, 4 offline |
| Cocoa Thrush | Turdus fumigatus | 3 images online, 10 offline |
| Cocoa Woodcreeper | Xiphorhynchus susurrans | 6 images online, 9 offline |
| Cocoi Heron | Ardea cocoi | 12 images online, 7 offline |
| Coleto | Sarcops calvus | 4 images online, 2 offline |
| Colima Warbler | Vermivora crissalis | 7 images online, 10 offline |
| Collared Antshrike | Sakesphorus bernardi | 8 images online, 17 offline |
| Collared Aracari | Pteroglossus torquatus | 31 images online, 28 offline |
| Collared Crescentchest | Melanopareia torquata | 2 image online, 1 offline |
| Collared Crow | Corvus torquatus | 1 image online, 1 offline |
| Collared Falconet | Microhierax caerulescens | 2 images online, 2 offline |
| Collared Forest-Falcon | Micrastur semitorquatus | 4 images online, 8 offline |
| Collared Gnatwren | Microbates collaris | 1 images online, 10 offline |
| Collared Inca | Coeligena torquata | 36 images online, 29 offline |
| Collared Kingfisher | Todirhamphus chloris | 14 images online, 22 offline |
| Collared Lory | Phigys solitarius | 8 image online, 1 offline |
| Collared Owlet | Glaucidium brodiei | 13 images online, 7 offline |
| Collared Plover | Charadrius collaris | 13 images online, 13 offline |
| Collared Pratincole | Glareola pratincola | 26 images online, 6 offline |
| Collared Puffbird | Bucco capensis | 6 images online, 16 offline |
| Collared Redstart | Myioborus torquatus | 8 images online, 8 offline |
| Collared Sunbird | Hedydipna collaris | 3 images online, 2 offline |
| Collared Towhee | Pipilo ocai | 2 image online, 1 offline |
| Collared Trogon | Trogon collaris | 7 images online, 11 offline |
| Collared Warbling-Finch | Poospiza hispaniolensis | 4 images online, 8 offline |
| Colorful Puffleg | Eriocnemis mirabilis | 3 images online, 8 offline |
| Comb Duck | Sarkidiornis melanotos | 28 images online, 16 offline |
| Comb-crested Jacana | Irediparra gallinacea | 1 images online, 5 offline |
| Common Black-Hawk | Buteogallus anthracinus | 64 images online, 29 offline |
| Common Bristlebill | Bleda syndactyla | 1 images online, 2 offline |
| Common Bronzewing | Phaps chalcoptera | 3 images online, 6 offline |
| Common Bulbul | Pycnonotus barbatus | 9 images online, 14 offline |
| Common Bush-Tanager | Chlorospingus ophthalmicus | 15 images online, 20 offline |
| Common Buzzard | Buteo buteo | 26 images online, 18 offline |
| Common Cactus-Finch | Geospiza scandens | 20 images online, 9 offline |
| Common Chaffinch | Fringilla coelebs | 21 images online, 27 offline |
| Common Crane | Grus grus | 175 images online, 35 offline |
| Common Cuckoo | Cuculus canorus | 26 images online, 4 offline |
| Common Diuca-Finch | Diuca diuca | 5 images online, 7 offline |
| Common Diving-Petrel | Pelecanoides urinatrix | 15 images online, 6 offline |
| Common Eider | Somateria mollissima | 126 images online, 47 offline |
| Common Fiscal | Lanius collaris | 10 images online, 6 offline |
| Common Go-away Bird | Corythaixoides concolor | 9 images online, 3 offline |
| Common Goldeneye | Bucephala clangula | 108 images online, 32 offline |
| Common Grackle | Quiscalus quiscula | 63 images online, 69 offline |
| Common Greenshank | Tringa nebularia | 20 images online, 15 offline |
| Common Ground-Dove | Columbina passerina | 51 images online, 28 offline |
| Common Hawk-Cuckoo | Cuculus varius | 4 images online, 2 offline |
| Common Hill-Partridge | Arborophila torqueola | 1 images online, 2 offline |
| Common House-Martin | Delichon urbicum | 11 images online, 8 offline |
| Common Iora | Aegithina tiphia | 4 images online, 7 offline |
| Common Jery | Neomixis tenella | 1 images online, 2 offline |
| Common Kingfisher | Alcedo atthis | 39 images online, 6 offline |
| Common Loon | Gavia immer | 136 images online, 126 offline |
| Common Melipotes | Melipotes fumigatus | 3 images online, 10 offline |
| Common Merganser | Mergus merganser | 130 images online, 39 offline |
| Common Moorhen | Gallinula chloropus | 71 images online, 76 offline |
| Common Murre | Uria aalge | 102 images online, 54 offline |
| Common Myna | Acridotheres tristis | 32 images online, 17 offline |
| Common Nicator | Nicator chloris | 3 images online, 2 offline |
| Common Nighthawk | Chordeiles minor | 52 images online, 62 offline |
| Common Nightingale | Erithacus megarhynchos | 7 images online, 2 offline |
| Common Ostrich | Struthio camelus | 91 images online, 53 offline |
| Common Paradise-Kingfisher | Tanysiptera galatea | 4 images online, 10 offline |
| Common Pauraque | Nyctidromus albicollis | 24 images online, 36 offline |
| Common Peafowl | Pavo cristatus | 44 images online, 41 offline |
| Common Pochard | Aythya ferina | 17 images online, 15 offline |
| Common Poorwill | Phalaenoptilus nuttallii | 27 images online, 23 offline |
| Common Potoo | Nyctibius griseus | 18 images online, 25 offline |
| Common Raven | Corvus corax | 78 images online, 87 offline |
| Common Redpoll | Carduelis flammea | 87 images online, 35 offline |
| Common Redshank | Tringa totanus | 48 images online, 14 offline |
| Common Redstart | Phoenicurus phoenicurus | 3 images online, 20 offline |
| Common Ringed Plover | Charadrius hiaticula | 25 images online, 26 offline |
| Common Rosefinch | Carpodacus erythrinus | 10 images online, 5 offline |
| Common Sandpiper | Actitis hypoleucos | 30 images online, 47 offline |
| Common Scrubfowl | Megapodius freycinet | 1 images online, 2 offline |
| Common Serin | Serinus serinus | 2 images online, 3 offline |
| Common Shelduck | Tadorna tadorna | 12 images online, 18 offline |
| Common Snipe | Gallinago gallinago | 31 images online, 7 offline |
| Common Song Thrush | Turdus philomelos | 30 images online, 18 offline |
| Common Swift | Apus apus | 22 images online, 5 offline |
| Common Tern | Sterna hirundo | 198 images online, 222 offline |
| Common Tetraka | Phyllastrephus madagascariensis | 1 image online, 1 offline |
| Common Tody-Flycatcher | Todirostrum cinereum | 20 images online, 18 offline |
| Common Wattle-eye | Platysteira cyanea | 15 images online, 19 offline |
| Common Waxbill | Estrilda astrild | 8 images online, 4 offline |
| Common Wood-Pigeon | Columba palumbus | 30 images online, 9 offline |
| Common Wood-Shrike | Tephrodornis pondicerianus | 1 images online, 3 offline |
| Common Yellowthroat | Geothlypis trichas | 96 images online, 85 offline |
| Comoro Blue-Pigeon | Alectroenas sganzini | 5 image online, 1 offline |
| Congo Peacock | Afropavo congensis | 3 images online, 2 offline |
| Connecticut Warbler | Oporornis agilis | 20 images online, 35 offline |
| Cook's Petrel | Pterodroma cookii | 8 images online, 3 offline |
| Cooper's Hawk | Accipiter cooperii | 102 images online, 68 offline |
| Copper Pheasant | Syrmaticus soemmerringi | 1 images online, 2 offline |
| Copper-rumped Hummingbird | Amazilia tobaci | 12 images online, 18 offline |
| Coppersmith Barbet | Megalaima haemacephala | 6 images online, 5 offline |
| Coppery Emerald | Chlorostilbon russatus | 1 images online, 6 offline |
| Coppery-bellied Puffleg | Eriocnemis cupreoventris | 1 images online, 6 offline |
| Coppery-headed Emerald | Elvira cupreiceps | 14 images online, 11 offline |
| Coqui Francolin | Francolinus coqui | 7 images online, 7 offline |
| Coral-billed Ground Cuckoo | Carpococcyx renauldi | 1 images online, 8 offline |
| Coraya Wren | Thryothorus coraya | 5 images online, 20 offline |
| Cordilleran Canastero | Asthenes modesta | 6 images online, 7 offline |
| Cordilleran Flycatcher | Empidonax occidentalis | 31 images online, 15 offline |
| Cormorant sp. | Phalacrocoracid sp. | 5 images online, 9 offline |
| Corn Bunting | Emberiza calandra | 15 images online, 12 offline |
| Corn Crake | Crex crex | 3 images online, 3 offline |
| Correndera Pipit | Anthus correndera | 11 images online, 7 offline |
| Cory's Shearwater | Calonectris diomedea | 28 images online, 29 offline |
| Coscoroba Swan | Coscoroba coscoroba | 7 images online, 8 offline |
| Costa's Hummingbird | Calypte costae | 67 images online, 40 offline |
| Cotton Pygmy-Goose | Nettapus coromandelianus | 2 images online, 5 offline |
| Couch's Kingbird | Tyrannus couchii | 14 images online, 8 offline |
| Count Raggi's Bird of Paradise | Paradisaea raggiana | 6 images online, 73 offline |
| Cox's Sandpiper | Calidris paramelanotos | 8 images online, 7 offline |
| Cozumel Thrasher | Toxostoma guttatum | 3 image online, 1 offline |
| Cozumel Vireo | Vireo bairdi | 2 images online, 3 offline |
| Crab-Plover | Dromas ardeola | 13 images online, 14 offline |
| Crag Chilia | Chilia melanura | 1 images online, 3 offline |
| Crag Martin | Ptyonoprogne rupestris | 6 image online, 1 offline |
| Crane Hawk | Geranospiza caerulescens | 9 images online, 19 offline |
| Cream-backed Woodpecker | Campephilus leucopogon | 1 image online, 1 offline |
| Cream-colored Courser | Cursorius cursor | 19 images online, 6 offline |
| Cream-colored Woodpecker | Celeus flavus | 6 image online, 1 offline |
| Cream-vented Bulbul | Pycnonotus simplex | 8 image online, 1 offline |
| Creamy-bellied Thrush | Turdus amaurochalinus | 9 images online, 19 offline |
| Creamy-chested Spinetail | Cranioleuca albicapilla | 1 images online, 6 offline |
| Crescent-chested Puffbird | Malacoptila striata | 2 images online, 8 offline |
| Crescent-faced Antpitta | Grallaricula lineifrons | 3 images online, 2 offline |
| Crested Ant-Tanager | Habia cristata | 1 images online, 5 offline |
| Crested Auklet | Aethia cristatella | 41 images online, 20 offline |
| Crested Barbet | Trachyphonus vaillantii | 9 images online, 11 offline |
| Crested Baza | Aviceda subcristata | 2 images online, 3 offline |
| Crested Becard | Pachyramphus validus | 4 images online, 4 offline |
| Crested Bellbird | Oreoica gutturalis | 1 image online, 1 offline |
| Crested Berrypecker | Paramythia montium | 4 images online, 7 offline |
| Crested Black-Tyrant | Knipolegus lophotes | 4 images online, 4 offline |
| Crested Bobwhite | Colinus cristatus | 2 image online, 1 offline |
| Crested Caracara | Caracara cheriway | 61 images online, 54 offline |
| Crested Coua | Coua cristata | 3 images online, 3 offline |
| Crested Doradito | Pseudocolopteryx sclateri | 4 images online, 8 offline |
| Crested Drongo | Dicrurus forficatus | 3 images online, 3 offline |
| Crested Duck | Lophonetta specularioides | 21 images online, 21 offline |
| Crested Eagle | Morphnus guianensis | 6 images online, 41 offline |
| Crested Foliage-gleaner | Anabazenops dorsalis | 1 image online, 1 offline |
| Crested Francolin | Francolinus sephaena | 11 images online, 9 offline |
| Crested Goshawk | Accipiter trivirgatus | 1 images online, 2 offline |
| Crested Guan | Penelope purpurascens | 16 images online, 13 offline |
| Crested Guineafowl | Guttera pucherani | 3 images online, 2 offline |
| Crested Hornero | Furnarius cristatus | 3 images online, 3 offline |
| Crested Lark | Galerida cristata | 18 images online, 9 offline |
| Crested Myna | Acridotheres cristatellus | 4 images online, 2 offline |
| Crested Oropendola | Psarocolius decumanus | 6 images online, 19 offline |
| Crested Owl | Lophostrix cristata | 10 images online, 6 offline |
| Crested Pigeon | Ocyphaps lophotes | 5 images online, 11 offline |
| Crested Quail-Dove | Geotrygon versicolor | 2 image online, 1 offline |
| Crested Quetzal | Pharomachrus antisianus | 1 images online, 5 offline |
| Crested Serpent Eagle | Spilornis cheela | 18 images online, 11 offline |
| Crested Spinetail | Cranioleuca subcristata | 3 images online, 2 offline |
| Crested Tit | Parus cristatus | 8 images online, 10 offline |
| Crested Treeswift | Hemiprocne coronata | 3 images online, 3 offline |
| Crested Wood-Partridge | Rollulus roulroul | 9 images online, 6 offline |
| Crestless Curassow | Crax tomentosa | 2 image online, 1 offline |
| Cretzchmar's Bunting | Emberiza caesia | 2 images online, 2 offline |
| Crimson Finch | Neochmia phaeton | 1 images online, 5 offline |
| Crimson Rosella | Platycercus elegans | 3 images online, 9 offline |
| Crimson Sunbird | Aethopyga siparaja | 3 images online, 17 offline |
| Crimson Topaz | Topaza pella | 9 images online, 95 offline |
| Crimson-backed Tanager | Ramphocelus dimidiatus | 12 images online, 16 offline |
| Crimson-bellied Woodpecker | Campephilus haematogaster | 2 images online, 15 offline |
| Crimson-breasted Finch | Rhodospingus cruentus | 7 images online, 8 offline |
| Crimson-breasted Flowerpecker | Prionochilus percussus | 4 image online, 1 offline |
| Crimson-breasted Shrike | Laniarius atrococcineus | 6 images online, 2 offline |
| Crimson-capped Fruit-Dove | Ptilinopus pulchellus | 3 images online, 12 offline |
| Crimson-collared Grosbeak | Rhodothraupis celaeno | 1 images online, 3 offline |
| Crimson-collared Tanager | Ramphocelus sanguinolentus | 7 images online, 7 offline |
| Crimson-crested Woodpecker | Campephilus melanoleucos | 6 images online, 7 offline |
| Crimson-fronted Parakeet | Aratinga finschi | 3 image online, 1 offline |
| Crimson-hooded Manakin | Pipra aureola | 2 images online, 17 offline |
| Crimson-mantled Woodpecker | Piculus rivolii | 9 images online, 8 offline |
| Crimson-rumped Toucanet | Aulacorhynchus haematopygus | 8 images online, 12 offline |
| Crimson-rumped Waxbill | Estrilda rhodopyga | 1 images online, 4 offline |
| Crimson-sided Mountain Finch | Oreostruthus fuliginosus | 2 images online, 11 offline |
| Crinkle-collared Manucode | Manucodia chalybatus | 1 images online, 14 offline |
| Crissal Thrasher | Toxostoma crissale | 16 images online, 15 offline |
| Croaking Ground-Dove | Columbina cruziana | 8 images online, 11 offline |
| Crow-billed Drongo | Dicrurus annectans | 1 image online, 1 offline |
| Crowned Chat-Tyrant | Ochthoeca frontalis | 5 images online, 8 offline |
| Crowned Cormorant | Phalacrocorax coronatus | 5 images online, 5 offline |
| Crowned Eagle | Stephanoaetus coronatus | 10 images online, 27 offline |
| Crowned Hornbill | Tockus alboterminatus | 7 images online, 3 offline |
| Crowned Lapwing | Vanellus coronatus | 17 images online, 14 offline |
| Crowned Sandgrouse | Pterocles coronatus | 14 image online, 1 offline |
| Crowned Slaty-Flycatcher | Griseotyrannus aurantioatrocristatus | 5 images online, 5 offline |
| Crowned Solitary Eagle | Harpyhaliaetus coronatus | 1 images online, 3 offline |
| Cryptic Antthrush | Chamaeza meruloides | 2 images online, 3 offline |
| Cryptic Forest-Falcon | Micrastur mintoni | 2 images online, 9 offline |
| Cuban Bullfinch | Melopyrrha nigra | 7 images online, 2 offline |
| Cuban Crow | Corvus nasicus | 1 images online, 3 offline |
| Cuban Emerald | Chlorostilbon ricordii | 4 images online, 9 offline |
| Cuban Grassquit | Tiaris canorus | 3 images online, 2 offline |
| Cuban Green Woodpecker | Xiphidiopicus percussus | 2 images online, 21 offline |
| Cuban Parakeet | Aratinga euops | 3 images online, 3 offline |
| Cuban Parrot | Amazona leucocephala | 12 images online, 4 offline |
| Cuban Pewee | Contopus caribaeus | 2 images online, 12 offline |
| Cuban Pygmy-Owl | Glaucidium siju | 7 images online, 8 offline |
| Cuban Solitaire | Myadestes elisabeth | 2 images online, 3 offline |
| Cuban Tody | Todus multicolor | 10 images online, 16 offline |
| Cuban Trogon | Priotelus temnurus | 7 images online, 14 offline |
| Cuban Vireo | Vireo gundlachii | 2 images online, 2 offline |
| Cuckoo Roller | Leptosomus discolor | 7 images online, 5 offline |
| Curl-crested Jay | Cyanocorax cristatellus | 1 image online, 1 offline |
| Curl-crested Manucode | Manucodia comrii | 6 images online, 10 offline |
| Curlew Sandpiper | Calidris ferruginea | 35 images online, 56 offline |
| Curly-crested Aracari | Pteroglossus beauharnaesii | 1 images online, 11 offline |
| Curve-billed Reedhaunter | Limnornis curvirostris | 5 images online, 3 offline |
| Curve-billed Thrasher | Toxostoma curvirostre | 58 images online, 54 offline |
| Cut-throat Finch | Amadina fasciata | 8 images online, 6 offline |
| D'Arnaud's Barbet | Trachyphonus darnaudii | 4 images online, 7 offline |
| Dagua Thrush | Turdus daguae | 4 image online, 1 offline |
| Dalmatian Pelican | Pelecanus crispus | 8 images online, 4 offline |
| Dark Chanting-Goshawk | Melierax metabates | 5 images online, 20 offline |
| Dark-bellied Cinclodes | Cinclodes patagonicus | 6 images online, 16 offline |
| Dark-billed Cuckoo | Coccyzus melacoryphus | 2 images online, 12 offline |
| Dark-breasted Rosefinch | Carpodacus nipalensis | 1 image online, 1 offline |
| Dark-breasted Spinetail | Synallaxis albigularis | 1 images online, 11 offline |
| Dark-eyed Junco | Junco hyemalis | 161 images online, 63 offline |
| Dark-faced Ground-Tyrant | Muscisaxicola macloviana | 8 images online, 12 offline |
| Dark-necked Tailorbird | Orthotomus atrogularis | 1 image online, 1 offline |
| Dark-throated Oriole | Oriolus xanthonotus | 23 images online, 7 offline |
| Dark-throated Seedeater | Sporophila ruficollis | 1 images online, 2 offline |
| Dartford Warbler | Sylvia undata | 1 images online, 3 offline |
| Daurian Jackdaw | Corvus dauuricus | 3 images online, 2 offline |
| Daurian Redstart | Phoenicurus auroreus | 9 images online, 8 offline |
| Dead Sea Sparrow | Passer moabiticus | 1 image online, 1 offline |
| Defillipi's Petrel | Pterodroma defilippiana | 8 images online, 3 offline |
| Demoiselle Crane | Grus virgo | 9 images online, 10 offline |
| Denham's Bustard | Neotis denhami | 3 images online, 4 offline |
| Derbyan Parakeet | Psittacula derbiana | 2 images online, 2 offline |
| Des Murs's Wiretail | Sylviorthorhynchus desmursii | 2 images online, 3 offline |
| Desert Cisticola | Cisticola aridula | 1 image online, 1 offline |
| Desert Finch | Rhodopechys obsoleta | 4 images online, 2 offline |
| Desert Lark | Ammomanes deserti | 6 images online, 3 offline |
| Desert Sparrow | Passer simplex | 5 image online, 1 offline |
| Desert Warbler | Sylvia nana | 3 images online, 4 offline |
| Desert Wheatear | Oenanthe deserti | 18 images online, 6 offline |
| Desmarest's Fig Parrot | Psittaculirostris desmarestii | 2 images online, 2 offline |
| Diademed Sandpiper-Plover | Phegornis mitchellii | 15 images online, 10 offline |
| Diademed Tanager | Stephanophorus diadematus | 7 images online, 11 offline |
| Diamond Dove | Geopelia cuneata | 3 images online, 6 offline |
| Diard's Trogon | Harpactes diardii | 18 image online, 1 offline |
| Dickcissel | Spiza americana | 49 images online, 22 offline |
| Dideric Cuckoo | Chrysococcyx caprius | 14 images online, 2 offline |
| Dimorphic Fantail | Rhipidura brachyrhyncha | 1 images online, 8 offline |
| Dodo | Raphus cucullatus | 2 images online, 4 offline |
| Dollar Bird | Eurystomus orientalis | 2 images online, 6 offline |
| Dolphin Gull | Larus scoresbii | 15 images online, 20 offline |
| Donaldson-Smith's Sparrow-Weaver | Plocepasser donaldsoni | 4 images online, 5 offline |
| Dot-backed Antbird | Hylophylax punctulata | 3 images online, 5 offline |
| Dot-winged Antwren | Microrhopias quixensis | 11 images online, 13 offline |
| Double-banded Courser | Rhinoptilus africanus | 14 images online, 5 offline |
| Double-banded Plover | Charadrius bicinctus | 20 images online, 6 offline |
| Double-banded Pygmy-Tyrant | Lophotriccus vitiosus | 7 images online, 11 offline |
| Double-banded Sandgrouse | Pterocles bicinctus | 6 images online, 2 offline |
| Double-barred Finch | Poephila bichenovii | 2 images online, 6 offline |
| Double-collared Seedeater | Sporophila caerulescens | 7 images online, 12 offline |
| Double-crested Cormorant | Phalacrocorax auritus | 157 images online, 177 offline |
| Double-eyed Fig Parrot | Opopsitta diophthalma | 1 images online, 11 offline |
| Double-spurred Francolin | Francolinus bicalcaratus | 1 images online, 2 offline |
| Double-striped Thick-knee | Burhinus bistriatus | 23 images online, 22 offline |
| Double-toothed Barbet | Lybius bidentatus | 4 images online, 3 offline |
| Double-toothed Kite | Harpagus bidentatus | 7 images online, 8 offline |
| Double-wattled Cassowary | Casuafalcorius casuarius | 10 images online, 7 offline |
| Dovekie | Alle alle | 39 images online, 4 offline |
| Downy Woodpecker | Picoides pubescens | 70 images online, 55 offline |
| Drab Water-Tyrant | Ochthoeca littoralis | 6 images online, 10 offline |
| Drab-breasted Bamboo-Tyrant | Hemitriccus diops | 1 image online, 1 offline |
| Drongo Cuckoo | Surniculus lugubris | 5 image online, 1 offline |
| DuBois's Leaf-Warbler | Phylloscopus cebuensis | 1 image online, 1 offline |
| Ducorp's Cockatoo | Cacatua ducorpsii | 1 image online, 1 offline |
| Dull-capped Attila | Attila bolivianus | 5 images online, 12 offline |
| Dull-colored Seedeater | Tiaris obscura | 3 images online, 13 offline |
| Dull-mantled Antbird | Myrmeciza laemosticta | 5 image online, 1 offline |
| Dunlin | Calidris alpina | 201 images online, 134 offline |
| Dunnock | Prunella modularis | 11 images online, 8 offline |
| Dusky Antbird | Cercomacra tyrannina | 13 images online, 27 offline |
| Dusky Broadbill | Corydon sumatranus | 1 images online, 4 offline |
| Dusky Bush-Tanager | Chlorospingus semifuscus | 9 images online, 7 offline |
| Dusky Crested Flycatcher | Elminia nigromitrata | 1 images online, 4 offline |
| Dusky Flycatcher | Empidonax oberholseri | 19 images online, 16 offline |
| Dusky Grouse | Dendragapus obscurus | 17 images online, 36 offline |
| Dusky Honeyeater | Myzomela obscura | 1 images online, 6 offline |
| Dusky Hummingbird | Cynanthus sordidus | 5 images online, 3 offline |
| Dusky Lory | Pseudeos fuscata | 1 images online, 18 offline |
| Dusky Moorhen | Gallinula tenebrosa | 7 images online, 3 offline |
| Dusky Parrot | Pionus fuscus | 2 images online, 3 offline |
| Dusky Pigeon | Patagioenas goodsoni | 2 image online, 1 offline |
| Dusky Thrush | Turdus naumanni | 7 image online, 1 offline |
| Dusky Warbler | Phylloscopus fuscatus | 2 images online, 3 offline |
| Dusky Wood Swallow | Artamus cyanopterus | 1 image online, 1 offline |
| Dusky-capped Flycatcher | Myiarchus tuberculifer | 17 images online, 17 offline |
| Dusky-faced Tanager | Mitrospingus cassinii | 17 images online, 20 offline |
| Dusky-green Oropendola | Psarocolius atrovirens | 1 images online, 2 offline |
| Dusky-headed Brush-Finch | Atlapetes fuscoolivaceus | 2 images online, 2 offline |
| Dusky-headed Parakeet | Aratinga weddellii | 5 images online, 2 offline |
| Dusky-legged Guan | Penelope obscura | 6 images online, 4 offline |
| Dusky-tailed Antbird | Drymophila malura | 5 images online, 4 offline |
| Dusky-tailed Flatbill | Ramphotrigon fuscicauda | 1 images online, 2 offline |
| Dusky-throated Antshrike | Thamnomanes ardesiacus | 7 images online, 15 offline |
| Dusky-throated Hermit | Phaethornis squalidus | 1 images online, 2 offline |
| Dusky-winged Foliage-gleaner | Philydor fuscipennis | 1 image online, 1 offline |
| Dwarf Bittern | Ixobrychus sturmii | 4 image online, 1 offline |
| Dwarf Black Hornbill | Tockus hartlaubi | 1 image online, 1 offline |
| Dwarf Cassowary | Casuarius bennetti | 8 images online, 5 offline |
| Dwarf Cuckoo | Coccyzus pumilus | 1 image online, 1 offline |
| Eared Dove | Zenaida auriculata | 16 images online, 18 offline |
| Eared Grebe | Podiceps nigricollis | 67 images online, 66 offline |
| Eared Pygmy-Tyrant | Myiornis auricularis | 2 images online, 9 offline |
| Eared Quetzal | Euptilotis neoxenus | 4 images online, 10 offline |
| Eastern Bluebird | Sialia sialis | 197 images online, 179 offline |
| Eastern Chat-Tanager | Calyptophilus frugivorus | 6 images online, 7 offline |
| Eastern Crowned Warbler | Phylloscopus coronatus | 4 images online, 2 offline |
| Eastern Double-collared Sunbird | Cinnyris mediocris | 2 images online, 2 offline |
| Eastern Grass-Owl | Tyto longimembris | 3 images online, 5 offline |
| Eastern Gray Plantain-Eater | Crinifer zonurus | 3 image online, 1 offline |
| Eastern Kingbird | Tyrannus tyrannus | 48 images online, 43 offline |
| Eastern Least Honeyguide | Indicator meliphilus | 3 images online, 8 offline |
| Eastern Marsh Harrier | Circus spilonotus | 16 images online, 10 offline |
| Eastern Meadowlark | Sturnella magna | 79 images online, 49 offline |
| Eastern Olive Sunbird | Cyanomitra olivacea | 6 images online, 11 offline |
| Eastern Pale Chanting-Goshawk | Melierax poliopterus | 6 images online, 8 offline |
| Eastern Phoebe | Sayornis phoebe | 45 images online, 56 offline |
| Eastern Reef-Egret | Egretta sacra | 14 images online, 8 offline |
| Eastern Rosella | Platycercus eximius | 1 images online, 2 offline |
| Eastern Screech-Owl | Megascops asio | 57 images online, 56 offline |
| Eastern Slaty-Antshrike | Thamnophilus punctatus | 3 images online, 35 offline |
| Eastern Spinebill | Acanthorhynchus tenuirostris | 1 images online, 4 offline |
| Eastern Spot-billed Duck | Anas zonorhyncha | 6 image online, 1 offline |
| Eastern Towhee | Pipilo erythrophthalmus | 49 images online, 50 offline |
| Eastern Violet-backed Sunbird | Anthreptes orientalis | 6 images online, 2 offline |
| Eastern Whip-poor-will | Caprimulgus vociferus | 8 images online, 23 offline |
| Eastern Wood-Pewee | Contopus virens | 33 images online, 18 offline |
| Eastern Yellow Robin | Eopsaltria australis | 8 images online, 7 offline |
| Eastern Yellow Wagtail | Motacilla tschutschensis | 23 images online, 16 offline |
| Eastern Yellow-billed Hornbill | Tockus flavirostris | 2 image online, 1 offline |
| Eclectus Parrot | Eclectus roratus | 8 images online, 12 offline |
| Ecuadorean Cacique | Cacicus sclateri | 1 image online, 1 offline |
| Ecuadorean Piculet | Picumnus sclateri | 1 images online, 6 offline |
| Ecuadorian Piedtail | Phlogophilus hemileucurus | 4 images online, 6 offline |
| Ecuadorian Thrush | Turdus maculirostris | 6 images online, 7 offline |
| Ecuadorian Tyrannulet | Phylloscartes gualaquizae | 2 images online, 2 offline |
| Edward's Fig Parrot | Psittaculirostris edwardsii | 2 images online, 2 offline |
| Egyptian Goose | Alopochen aegyptiaca | 29 images online, 43 offline |
| Egyptian Plover | Pluvianus aegyptius | 3 images online, 6 offline |
| Egyptian Vulture | Neophron percnopterus | 44 images online, 36 offline |
| El Oro Parakeet | Pyrrhura orcesi | 1 images online, 4 offline |
| Elegant Crescentchest | Melanopareia elegans | 1 images online, 5 offline |
| Elegant Crested-Tinamou | Eudromia elegans | 7 images online, 12 offline |
| Elegant Euphonia | Euphonia elegantissima | 4 image online, 1 offline |
| Elegant Parrot | Neophema elegans | 1 images online, 2 offline |
| Elegant Quail | Callipepla douglasii | 1 images online, 2 offline |
| Elegant Tern | Thalasseus elegans | 54 images online, 30 offline |
| Elegant Tit | Parus elegans | 3 images online, 10 offline |
| Elegant Trogon | Trogon elegans | 51 images online, 36 offline |
| Elegant Woodcreeper | Xiphorhynchus elegans | 1 images online, 8 offline |
| Eleonora's Falcon | Falco eleonorae | 1 images online, 6 offline |
| Elepaio | Chasiempis sandwichensis | 7 images online, 5 offline |
| Elf Owl | Micrathene whitneyi | 48 images online, 16 offline |
| Elfin-woods Warbler | Dendroica angelae | 6 image online, 1 offline |
| Elliot's Pheasant | Syrmaticus ellioti | 1 image online, 1 offline |
| Elliot's Woodpecker | Dendropicos elliotii | 7 images online, 6 offline |
| Emerald Ground-Dove | Chalcophaps indica | 41 images online, 19 offline |
| Emerald Lorikeet | Neopsittacus pullicauda | 2 images online, 6 offline |
| Emerald Starling | Lamprotornis iris | 3 images online, 2 offline |
| Emerald Tanager | Tangara florida | 10 images online, 13 offline |
| Emerald Toucanet | Aulacorhynchus prasinus | 15 images online, 29 offline |
| Emerald-bellied Puffleg | Eriocnemis alinae | 1 images online, 10 offline |
| Emerald-bellied Woodnymph | Thalurania hypochlora | 6 images online, 5 offline |
| Emerald-spotted Wood-Dove | Turtur chalcospilos | 4 images online, 5 offline |
| Emperor Goose | Chen canagica | 17 images online, 15 offline |
| Emperor of Germany Bird of Paradise | Paradisaea guilielmi | 4 images online, 15 offline |
| Emperor Penguin | Aptenodytes forsteri | 78 images online, 25 offline |
| Empress Brilliant | Heliodoxa imperatrix | 13 images online, 6 offline |
| Emu | Dromaius novaehollandiae | 21 images online, 14 offline |
| Epaulet Oriole | Icterus cayanensis | 6 images online, 9 offline |
| Equatorial Akalat | Sheppardia aequatorialis | 1 images online, 5 offline |
| Equatorial Graytail | Xenerpestes singularis | 1 image online, 1 offline |
| Equinoctial Warbler | Acrocephalus aequinoctialis | 2 images online, 8 offline |
| Erckel's Francolin | Francolinus erckelii | 4 images online, 2 offline |
| Erect-crested Penguin | Eudyptes sclateri | 11 images online, 10 offline |
| Esmeraldas Antbird | Myrmeciza nigricauda | 5 images online, 12 offline |
| Esmeraldas Woodstar | Chaetocercus berlepschi | 1 image online, 1 offline |
| Euler's Flycatcher | Lathrotriccus euleri | 6 images online, 19 offline |
| Eurasian Blackbird | Turdus merula | 43 images online, 42 offline |
| Eurasian Bullfinch | Pyrrhula pyrrhula | 20 images online, 16 offline |
| Eurasian Collared-Dove | Streptopelia decaocto | 56 images online, 9 offline |
| Eurasian Coot | Fulica atra | 26 images online, 29 offline |
| Eurasian Curlew | Numenius arquata | 33 images online, 6 offline |
| Eurasian Dotterel | Charadrius morinellus | 23 images online, 8 offline |
| Eurasian Golden Oriole | Oriolus oriolus | 18 images online, 2 offline |
| Eurasian Hobby | Falco subbuteo | 4 images online, 3 offline |
| Eurasian Honey-Buzzard | Pernis apivorus | 7 images online, 4 offline |
| Eurasian Hoopoe | Upupa epops | 34 images online, 17 offline |
| Eurasian Jackdaw | Corvus monedula | 13 images online, 6 offline |
| Eurasian Jay | Garrulus glandarius | 25 images online, 19 offline |
| Eurasian Kestrel | Falco tinnunculus | 23 images online, 30 offline |
| Eurasian Linnet | Acanthis cannabina | 9 images online, 7 offline |
| Eurasian Magpie | Pica pica | 13 images online, 2 offline |
| Eurasian Nutcracker | Nucifraga caryocatactes | 8 images online, 2 offline |
| Eurasian Nuthatch | Sitta europaea | 12 images online, 13 offline |
| Eurasian Oystercatcher | Haematopus ostralegus | 46 images online, 19 offline |
| Eurasian Pygmy-Owl | Glaucidium passerinum | 2 image online, 1 offline |
| Eurasian Roller | Coracias garrulus | 23 images online, 10 offline |
| Eurasian Rook | Corvus frugilegus | 11 images online, 4 offline |
| Eurasian Scops-Owl | Otus scops | 8 images online, 4 offline |
| Eurasian Siskin | Carduelis spinus | 14 images online, 6 offline |
| Eurasian Snow Finch | Montifringilla nivalis | 2 images online, 3 offline |
| Eurasian Sparrowhawk | Accipiter nisus | 14 images online, 17 offline |
| Eurasian Spoonbill | Platalea leucorodia | 41 images online, 21 offline |
| Eurasian Thick-Knee | Burhinus oedicnemus | 6 images online, 5 offline |
| Eurasian Tree Sparrow | Passer montanus | 12 images online, 6 offline |
| Eurasian Wigeon | Anas penelope | 42 images online, 12 offline |
| Eurasian Woodcock | Scolopax rusticola | 10 images online, 2 offline |
| Eurasian Wren | Troglodytes troglodytes | 6 images online, 16 offline |
| Eurasian Wryneck | Jynx torquilla | 16 images online, 12 offline |
| European Bee-eater | Merops apiaster | 45 images online, 10 offline |
| European Golden-Plover | Pluvialis apricaria | 34 images online, 9 offline |
| European Goldfinch | Carduelis carduelis | 19 images online, 15 offline |
| European Greenfinch | Carduelis chloris | 21 images online, 19 offline |
| European Marsh-Warbler | Acrocephalus palustris | 3 image online, 1 offline |
| European Nightjar | Caprimulgus europaeus | 6 images online, 2 offline |
| European Quail | Coturnix coturnix | 3 image online, 1 offline |
| European Reed-Warbler | Acrocephalus scirpaceus | 12 image online, 1 offline |
| European Robin | Erithacus rubecula | 34 images online, 20 offline |
| European Sedge-Warbler | Acrocephalus schoenobaenus | 12 image online, 1 offline |
| European Shag | Phalacrocorax aristotelis | 23 images online, 20 offline |
| European Starling | Sturnus vulgaris | 98 images online, 72 offline |
| European Storm-Petrel | Hydrobates pelagicus | 9 images online, 3 offline |
| European Tree-Creeper | Certhia familiaris | 7 images online, 13 offline |
| European Turtle-Dove | Streptopelia turtur | 15 images online, 2 offline |
| European Whinchat | Saxicola rubetra | 8 images online, 8 offline |
| Evening Grosbeak | Coccothraustes vespertinus | 50 images online, 82 offline |
| Eye-ringed Flatbill | Rhynchocyclus brevirostris | 3 images online, 8 offline |
| Eye-ringed Tody-Tyrant | Hemitriccus orbitatus | 1 images online, 4 offline |
| Eyebrowed Jungle-Flycatcher | Rhinomyias gularis | 1 image online, 1 offline |
| Eyebrowed Thrush | Turdus obscurus | 12 images online, 6 offline |
| Fairy Bluebird | Irena puella | 26 images online, 8 offline |
| Fairy Lorikeet | Charmosyna pulchella | 4 images online, 2 offline |
| Fairy Martin | Hirundo ariel | 1 images online, 3 offline |
| Fairy Prion | Pachyptila turtur | 10 images online, 5 offline |
| Fairy Tern | Sterna nereis | 9 images online, 4 offline |
| Falcated Duck | Anas falcata | 14 images online, 4 offline |
| Falkland Steamer-Duck | Tachyeres brachypterus | 26 images online, 47 offline |
| Familiar Chat | Cercomela familiaris | 6 image online, 1 offline |
| Fan-tailed Berrypecker | Melanocharis versteri | 10 images online, 17 offline |
| Fan-tailed Cuckoo | Cacomantis pyrrhophanus | 2 images online, 3 offline |
| Fan-tailed Raven | Corvus rhipidurus | 9 images online, 3 offline |
| Fan-tailed Warbler | Euthlypis lachrymosa | 1 images online, 4 offline |
| Fan-tailed Widowbird | Euplectes axillaris | 5 image online, 1 offline |
| Far Eastern Curlew | Numenius madagascariensis | 22 images online, 6 offline |
| Fasciated Antshrike | Cymbilaimus lineatus | 7 images online, 13 offline |
| Fasciated Wren | Campylorhynchus fasciatus | 1 images online, 13 offline |
| Fawn-breasted Bowerbird | Chlamydera cerviniventris | 3 images online, 31 offline |
| Fawn-breasted Brilliant | Heliodoxa rubinoides | 42 images online, 10 offline |
| Fawn-breasted Tanager | Pipraeidea melanonota | 6 images online, 12 offline |
| Fawn-colored Bushlark | Mirafra africanoides | 1 images online, 2 offline |
| Fea's Petrel | Pterodroma feae | 6 images online, 4 offline |
| Fernandina's Flicker | Colaptes fernandinae | 17 images online, 27 offline |
| Fernbird | Megalurus punctatus | 6 images online, 8 offline |
| Ferruginous Antbird | Drymophila ferruginea | 4 images online, 3 offline |
| Ferruginous Babbler | Trichastoma bicolor | 8 images online, 3 offline |
| Ferruginous Flycatcher | Muscicapa ferruginea | 4 images online, 2 offline |
| Ferruginous Hawk | Buteo regalis | 66 images online, 67 offline |
| Ferruginous Pochard | Aythya nyroca | 6 images online, 4 offline |
| Ferruginous Pygmy-Owl | Glaucidium brasilianum | 61 images online, 52 offline |
| Ferruginous Wood-Partridge | Caloperdix oculea | 1 image online, 1 offline |
| Ferruginous-backed Antbird | Myrmeciza ferruginea | 10 images online, 21 offline |
| Festive Coquette | Lophornis chalybea | 3 images online, 22 offline |
| Festive Parrot | Amazona festiva | 6 images online, 5 offline |
| Field Sparrow | Spizella pusilla | 53 images online, 40 offline |
| Fieldfare | Turdus pilaris | 17 images online, 9 offline |
| Fiery Topaz | Topaza pyra | 2 images online, 2 offline |
| Fiery-billed Aracari | Pteroglossus frantzii | 6 images online, 4 offline |
| Fiery-capped Manakin | Machaeropterus pyrocephalus | 2 images online, 14 offline |
| Fiery-throated Fruiteater | Pipreola chlorolepidota | 6 images online, 17 offline |
| Fiery-throated Hummingbird | Panterpe insignis | 4 images online, 5 offline |
| Fiordland Penguin | Eudyptes pachyrhynchus | 9 images online, 16 offline |
| Fire-eyed Diucon | Pyrope pyrope | 3 images online, 5 offline |
| Fire-fronted Serin | Serinus pusillus | 2 images online, 4 offline |
| Fire-tailed Flowerpecker | Dicaeum igniferum | 2 image online, 1 offline |
| Fire-tufted Barbet | Psilopogon pyrolophus | 2 images online, 2 offline |
| Firecrest | Regulus ignicapillus | 5 image online, 1 offline |
| Firewood-gatherer | Anumbius annumbi | 11 images online, 14 offline |
| Fischer's Lovebird | Agapornis fischeri | 8 images online, 13 offline |
| Fish Crow | Corvus ossifragus | 27 images online, 13 offline |
| Five-striped Sparrow | Aimophila quinquestriata | 13 images online, 6 offline |
| Flame Robin | Petroica phoenicea | 1 image online, 1 offline |
| Flame-breated Sunbird | Cinnyris solaris | 1 image online, 1 offline |
| Flame-colored Tanager | Piranga bidentata | 21 images online, 13 offline |
| Flame-crested Tanager | Tachyphonus cristatus | 6 images online, 12 offline |
| Flame-faced Tanager | Tangara parzudakii | 9 images online, 12 offline |
| Flame-rumped Tanager | Ramphocelus flammigerus | 19 images online, 26 offline |
| Flammulated Bamboo-Tyrant | Hemitriccus flammulatus | 3 images online, 12 offline |
| Flammulated Owl | Otus flammeolus | 28 images online, 17 offline |
| Flammulated Treehunter | Thripadectes flammulatus | 1 images online, 5 offline |
| Flavescent Bulbul | Pycnonotus flavescens | 13 image online, 1 offline |
| Flavescent Flycatcher | Myiophobus flavicans | 4 images online, 16 offline |
| Flavescent Warbler | Basileuterus flaveolus | 4 images online, 8 offline |
| Flesh-footed Shearwater | Puffinus carneipes | 21 images online, 10 offline |
| Flightless Cormorant | Phalacrocorax harrisi | 65 images online, 53 offline |
| Flightless Steamer-Duck | Tachyeres pteneres | 6 images online, 6 offline |
| Flock Pigeon | Phaps histrionica | 2 images online, 2 offline |
| Florida Scrub-Jay | Aphelocoma coerulescens | 26 images online, 35 offline |
| Flowerpecker Weaver-Finch | Parmoptila woodhousei | 6 images online, 3 offline |
| Fluffy-backed Tit-Babbler | Macronous ptilosus | 8 images online, 2 offline |
| Flycatcher sp. | Tyrannid sp. | 4 images online, 40 offline |
| Flyeater | Gerygone sulphurea | 1 image online, 1 offline |
| Flying Steamer-Duck | Tachyeres patachonicus | 3 images online, 3 offline |
| Forbes-Watson's Swift | Apus berliozi | 5 images online, 11 offline |
| Forest Elaenia | Myiopagis gaimardii | 2 images online, 12 offline |
| Forest Kingfisher | Todirhamphus macleayii | 4 images online, 5 offline |
| Forest Robin | Sheppardia erythrothorax | 5 images online, 3 offline |
| Forest Thrush | Cichlherminia lherminieri | 9 images online, 6 offline |
| Fork-tailed Drongo | Dicrurus adsimilis | 20 images online, 17 offline |
| Fork-tailed Flycatcher | Tyrannus savana | 21 images online, 24 offline |
| Fork-tailed Palm Swift | Tachornis squamata | 3 images online, 4 offline |
| Fork-tailed Storm-Petrel | Oceanodroma furcata | 15 images online, 7 offline |
| Fork-tailed Swift | Apus pacificus | 3 images online, 2 offline |
| Fork-tailed Woodnymph | Thalurania furcata | 19 images online, 78 offline |
| Forster's Tern | Sterna forsteri | 100 images online, 80 offline |
| Fossil | Confuciusornis sanctus | 3 images online, 2 offline |
| Fox Sparrow | Passerella iliaca | 80 images online, 33 offline |
| Frances's Sparrowhawk | Accipiter francesiae | 4 images online, 10 offline |
| Franklin's Gull | Leucophaeus pipixcan | 51 images online, 85 offline |
| Fraser's Rusty Flycatcher | Stizorhina fraseri | 5 images online, 4 offline |
| Frigatebird sp. | Fregatid sp. | 2 images online, 8 offline |
| Frilled Coquette | Lophornis magnificus | 16 images online, 99 offline |
| Fulvous Shrike-Tanager | Lanio fulvus | 3 images online, 13 offline |
| Fulvous Whistling-Duck | Dendrocygna bicolor | 24 images online, 36 offline |
| Fulvous-breasted Flatbill | Rhynchocyclus fulvipectus | 4 images online, 12 offline |
| Fulvous-breasted Woodpecker | Picoides macei | 2 image online, 1 offline |
| Fulvous-chinned Nunlet | Nonnula sclateri | 1 image online, 1 offline |
| Fulvous-crested Tanager | Tachyphonus surinamus | 9 images online, 22 offline |
| Fulvous-dotted Treerunner | Margarornis stellatus | 2 images online, 11 offline |
| Fulvous-headed Brush-Finch | Atlapetes fulviceps | 2 image online, 1 offline |
| Fulvous-vented Euphonia | Euphonia fulvicrissa | 12 images online, 6 offline |
| Fuscous Flycatcher | Cnemotriccus fuscatus | 8 images online, 25 offline |
| Fuscous Honeyeater | Lichenostomus fuscus | 1 images online, 5 offline |
| Gabar Goshawk | Micronisus gabar | 4 images online, 8 offline |
| Gadwall | Anas strepera | 77 images online, 30 offline |
| Galah | Eolophus roseicapillus | 4 images online, 18 offline |
| Galapagos Dove | Zenaida galapagoensis | 15 images online, 11 offline |
| Galapagos Flycatcher | Myiarchus magnirostris | 20 images online, 12 offline |
| Galapagos Hawk | Buteo galapagoensis | 19 images online, 33 offline |
| Galapagos Heron | Butorides sundevalli | 27 images online, 19 offline |
| Galapagos Mockingbird | Nesomimus parvulus | 28 images online, 18 offline |
| Galapagos Penguin | Spheniscus mendiculus | 25 images online, 17 offline |
| Galapagos Petrel | Pterodroma phaeopygia | 12 image online, 1 offline |
| Gambel's Quail | Callipepla gambelii | 79 images online, 59 offline |
| Gang-gang Cockatoo | Callocephalon fimbriatum | 2 image online, 1 offline |
| Garden Emerald | Chlorostilbon assimilis | 4 images online, 3 offline |
| Garden Warbler | Sylvia borin | 1 images online, 7 offline |
| Garganey | Anas querquedula | 34 images online, 16 offline |
| Garnet Pitta | Pitta granatina | 11 images online, 5 offline |
| Gentoo Penguin | Pygoscelis papua | 147 images online, 272 offline |
| Georgian Diving-Petrel | Pelecanoides georgicus | 5 images online, 4 offline |
| Giant Antshrike | Batara cinerea | 3 images online, 4 offline |
| Giant Bustard | Otis tarda | 36 images online, 2 offline |
| Giant Conebill | Oreomanes fraseri | 9 images online, 5 offline |
| Giant Coot | Fulica gigantea | 1 images online, 4 offline |
| Giant Coua | Coua gigas | 3 images online, 3 offline |
| Giant Cowbird | Molothrus oryzivorus | 4 images online, 22 offline |
| Giant Hummingbird | Patagona gigas | 20 images online, 12 offline |
| Giant Kingfisher | Megaceryle maxima | 10 images online, 10 offline |
| Giant Wood Rail | Aramides ypecaha | 2 images online, 3 offline |
| Giant Wren | Campylorhynchus chiapensis | 1 images online, 2 offline |
| Gila Woodpecker | Melanerpes uropygialis | 37 images online, 69 offline |
| Gilded Flicker | Colaptes chrysoides | 24 images online, 15 offline |
| Gilded Hummingbird | Hylocharis chrysura | 4 images online, 28 offline |
| Gilt-edged Tanager | Tangara cyanoventris | 5 images online, 11 offline |
| Glaucous Gull | Larus hyperboreus | 121 images online, 28 offline |
| Glaucous-winged Gull | Larus glaucescens | 150 images online, 59 offline |
| Glistening-green Tanager | Chlorochrysa phoenicotis | 7 images online, 11 offline |
| Glittering-bellied Emerald | Chlorostilbon aureoventris | 3 images online, 58 offline |
| Glittering-throated Emerald | Amazilia fimbriata | 4 images online, 38 offline |
| Glossy Antshrike | Sakesphorus luctuosus | 2 images online, 11 offline |
| Glossy Flowerpiercer | Diglossa lafresnayii | 6 images online, 8 offline |
| Glossy Ibis | Plegadis falcinellus | 71 images online, 83 offline |
| Glossy Swiftlet | Collocalia esculenta | 5 images online, 6 offline |
| Glossy-backed Becard | Pachyramphus surinamus | 1 image online, 1 offline |
| Glossy-black Thrush | Turdus serranus | 9 images online, 14 offline |
| Glowing Puffleg | Eriocnemis vestitus | 6 images online, 13 offline |
| Godlewski's Bunting | Emberiza godlewskii | 1 images online, 2 offline |
| Goeld's Antbird | Myrmeciza goeldii | 1 images online, 12 offline |
| Goffin's Cockatoo | Cacatua goffini | 2 images online, 2 offline |
| Golden Bowerbird | Prionodura newtoniana | 1 images online, 10 offline |
| Golden Bush-Robin | Tarsiger chrysaeus | 5 images online, 5 offline |
| Golden Eagle | Aquila chrysaetos | 68 images online, 112 offline |
| Golden Palm Weaver | Ploceus bojeri | 5 images online, 15 offline |
| Golden Parakeet | Guarouba guarouba | 1 image online, 1 offline |
| Golden Pheasant | Chrysolophus pictus | 10 images online, 4 offline |
| Golden Pipit | Tmetothylacus tenellus | 1 images online, 5 offline |
| Golden Tanager | Tangara arthus | 16 images online, 19 offline |
| Golden Vireo | Vireo hypochryseus | 3 images online, 2 offline |
| Golden Whistler | Pachycephala pectoralis | 4 images online, 20 offline |
| Golden-backed Mountain-Tanager | Buthraupis aureodorsalis | 1 images online, 5 offline |
| Golden-backed Weaver | Ploceus jacksoni | 8 images online, 3 offline |
| Golden-bellied Flycatcher | Myiodynastes hemichrysus | 1 images online, 5 offline |
| Golden-bellied Warbler | Basileuterus chrysogaster | 1 images online, 13 offline |
| Golden-billed Saltator | Saltator aurantiirostris | 6 images online, 11 offline |
| Golden-breasted Bunting | Emberiza flaviventris | 11 images online, 7 offline |
| Golden-breasted Fruiteater | Pipreola aureopectus | 6 images online, 6 offline |
| Golden-breasted Puffleg | Eriocnemis mosquera | 8 images online, 5 offline |
| Golden-breasted Starling | Cosmopsarus regius | 4 images online, 18 offline |
| Golden-browed Chat-Tyrant | Ochthoeca pulchella | 1 images online, 5 offline |
| Golden-browed Chlorophonia | Chlorophonia callophrys | 10 images online, 4 offline |
| Golden-browed Warbler | Basileuterus belli | 6 images online, 4 offline |
| Golden-capped Parakeet | Aratinga auricapilla | 2 image online, 1 offline |
| Golden-cheeked Warbler | Dendroica chrysoparia | 53 images online, 12 offline |
| Golden-cheeked Woodpecker | Melanerpes chrysogenys | 11 images online, 3 offline |
| Golden-chested Tanager | Bangsia rothschildi | 3 images online, 2 offline |
| Golden-chevroned Tanager | Thraupis ornata | 1 images online, 5 offline |
| Golden-collared Honeycreeper | Iridophanes pulcherrima | 1 image online, 1 offline |
| Golden-collared Macaw | Propyrrhura auricollis | 3 images online, 3 offline |
| Golden-collared Manakin | Manacus vitellinus | 11 images online, 14 offline |
| Golden-collared Tanager | Iridosornis jelskii | 1 images online, 3 offline |
| Golden-collared Toucanet | Selenidera reinwardtii | 13 images online, 16 offline |
| Golden-collared Woodpecker | Veniliornis cassini | 1 images online, 2 offline |
| Golden-crested Myna | Ampeliceps coronatus | 3 image online, 1 offline |
| Golden-crowned Flycatcher | Myiodynastes chrysocephalus | 10 images online, 7 offline |
| Golden-crowned Kinglet | Regulus satrapa | 39 images online, 22 offline |
| Golden-crowned Spadebill | Platyrinchus coronatus | 21 images online, 17 offline |
| Golden-crowned Sparrow | Zonotrichia atricapilla | 52 images online, 17 offline |
| Golden-crowned Tanager | Iridosornis rufivertex | 11 images online, 10 offline |
| Golden-crowned Warbler | Basileuterus culicivorus | 12 images online, 18 offline |
| Golden-faced Tyrannulet | Zimmerius chrysops | 10 images online, 13 offline |
| Golden-fronted Greenlet | Hylophilus aurantiifrons | 3 images online, 6 offline |
| Golden-fronted Leafbird | Chloropsis aurifrons | 4 images online, 4 offline |
| Golden-fronted Whitestart | Myioborus ornatus | 3 images online, 15 offline |
| Golden-fronted Woodpecker | Melanerpes aurifrons | 50 images online, 31 offline |
| Golden-headed Cisticola | Cisticola exilis | 6 images online, 10 offline |
| Golden-headed Manakin | Pipra erythrocephala | 9 images online, 62 offline |
| Golden-headed Quetzal | Pharomachrus auriceps | 5 images online, 10 offline |
| Golden-heart Pigeon | Gallicolumba rufigula | 1 images online, 3 offline |
| Golden-hooded Tanager | Tangara larvata | 15 images online, 16 offline |
| Golden-naped Tanager | Tangara ruficervix | 12 images online, 3 offline |
| Golden-naped Woodpecker | Melanerpes chrysauchen | 6 image online, 1 offline |
| Golden-olive Woodpecker | Piculus rubiginosus | 3 images online, 13 offline |
| Golden-plumed Parakeet | Leptosittaca branickii | 17 images online, 3 offline |
| Golden-rumped Euphonia | Euphonia cyanocephala | 3 images online, 13 offline |
| Golden-rumped Tinkerbird | Pogoniulus bilineatus | 2 image online, 1 offline |
| Golden-sided Euphonia | Euphonia cayennensis | 1 images online, 6 offline |
| Golden-spangled Piculet | Picumnus exilis | 1 images online, 3 offline |
| Golden-spectacled Warbler | Seicercus burkii | 1 images online, 3 offline |
| Golden-tailed Sapphire | Chrysuronia oenone | 17 images online, 22 offline |
| Golden-tailed Woodpecker | Campethera abingoni | 3 image online, 1 offline |
| Golden-winged Cacique | Cacicus chrysopterus | 1 images online, 3 offline |
| Golden-winged Grosbeak | Rhynchostruthus socotranus | 4 image online, 1 offline |
| Golden-winged Manakin | Masius chrysopterus | 4 images online, 36 offline |
| Golden-winged Sparrow | Arremon schlegeli | 4 images online, 4 offline |
| Golden-winged Sunbird | Nectarinia reichenowi | 2 images online, 7 offline |
| Golden-winged Tody-Flycatcher | Poecilotriccus calopterus | 3 images online, 10 offline |
| Golden-winged Warbler | Vermivora chrysoptera | 38 images online, 42 offline |
| Goldie's Lorikeet | Trichoglossus goldiei | 1 images online, 5 offline |
| Goliath Coucal | Centropus goliath | 1 images online, 3 offline |
| Goliath Heron | Ardea goliath | 21 images online, 26 offline |
| Goodfellow's White-eye | Lophozosterops goodfellowi | 4 images online, 3 offline |
| Gorgeted Sunangel | Heliangelus strophianus | 7 image online, 1 offline |
| Gorgeted Woodstar | Chaetocercus heliodor | 4 images online, 2 offline |
| Gough Moorhen | Gallinula comeri | 5 image online, 1 offline |
| Gould's Jewelfront | Heliodoxa aurescens | 8 images online, 11 offline |
| Gouldian Finch | Chloebia gouldiae | 2 images online, 10 offline |
| Grace's Warbler | Dendroica graciae | 26 images online, 8 offline |
| Graceful Prinia | Prinia gracilis | 1 images online, 3 offline |
| Grandala | Grandala coelicolor | 4 images online, 2 offline |
| Grass-green Tanager | Chlorornis riefferii | 11 images online, 18 offline |
| Grasshopper Sparrow | Ammodramus savannarum | 64 images online, 22 offline |
| Grassland Sparrow | Ammodramus humeralis | 5 images online, 6 offline |
| Grassland Yellow-finch | Sicalis luteola | 6 images online, 4 offline |
| Gray Antwren | Myrmotherula menetriesii | 6 images online, 13 offline |
| Gray Bunting | Emberiza variabilis | 1 images online, 3 offline |
| Gray Bushchat | Saxicola ferrea | 6 images online, 4 offline |
| Gray Butcherbird | Cracticus torquatus | 2 images online, 4 offline |
| Gray Catbird | Dumetella carolinensis | 62 images online, 92 offline |
| Gray Crowned-Crane | Balearica regulorum | 38 images online, 72 offline |
| Gray Currawong | Strepera versicolor | 1 image online, 1 offline |
| Gray Fantail | Rhipidura fuliginosa | 3 images online, 9 offline |
| Gray Flycatcher | Empidonax wrightii | 30 images online, 29 offline |
| Gray Francolin | Francolinus pondicerianus | 27 images online, 3 offline |
| Gray Greenbul | Andropadus gracilis | 3 images online, 2 offline |
| Gray Gull | Larus modestus | 6 images online, 21 offline |
| Gray Hawk | Asturina nitida | 41 images online, 45 offline |
| Gray Heron | Ardea cinerea | 72 images online, 34 offline |
| Gray Hypocolius | Hypocolius ampelinus | 9 images online, 2 offline |
| Gray Jay | Perisoreus canadensis | 32 images online, 22 offline |
| Gray Kestrel | Falco ardosiaceus | 2 images online, 8 offline |
| Gray Kingbird | Tyrannus dominicensis | 19 images online, 16 offline |
| Gray Longbill | Macrosphenus concolor | 3 images online, 3 offline |
| Gray Monjita | Xolmis cinerea | 1 images online, 2 offline |
| Gray Nightjar | Caprimulgus indicus | 2 images online, 2 offline |
| Gray Parrot | Psittacus erithacus | 1 images online, 6 offline |
| Gray Partridge | Perdix perdix | 21 images online, 8 offline |
| Gray Peacock-Pheasant | Polyplectron bicalcaratum | 2 images online, 3 offline |
| Gray Petrel | Procellaria cinerea | 5 images online, 6 offline |
| Gray Plantain-Eater | Crinifer piscator | 2 images online, 4 offline |
| Gray Seedeater | Sporophila intermedia | 9 images online, 9 offline |
| Gray Sibia | Heterophasia gracilis | 1 images online, 3 offline |
| Gray Silky-Flycatcher | Ptilogonys cinereus | 4 images online, 10 offline |
| Gray Thrasher | Toxostoma cinereum | 4 images online, 2 offline |
| Gray Tinamou | Tinamus tao | 1 image online, 1 offline |
| Gray Trembler | Cinclocerthia gutturalis | 6 images online, 5 offline |
| Gray Vireo | Vireo vicinior | 13 images online, 12 offline |
| Gray Wagtail | Motacilla cinerea | 19 images online, 19 offline |
| Gray Woodpecker | Dendropicos goertae | 5 images online, 3 offline |
| Gray's Malimbe | Malimbus nitens | 7 images online, 3 offline |
| Gray-and-brown Laughingthrush | Garrulax palliatus | 1 images online, 2 offline |
| Gray-and-gold Tanager | Tangara palmeri | 4 images online, 2 offline |
| Gray-and-gold Warbler | Basileuterus fraseri | 6 images online, 15 offline |
| Gray-and-white Tyrannulet | Pseudelaenia leucospodia | 1 images online, 9 offline |
| Gray-backed Camaroptera | Camaroptera brevicaudata | 8 images online, 4 offline |
| Gray-backed Fiscal | Lanius excubitoroides | 8 images online, 14 offline |
| Gray-backed Hawk | Leucopternis occidentalis | 2 images online, 9 offline |
| Gray-backed Shrike | Lanius tephronotus | 2 images online, 2 offline |
| Gray-backed Storm-Petrel | Garrodia nereis | 5 image online, 1 offline |
| Gray-backed Tachuri | Polystictus superciliaris | 2 image online, 1 offline |
| Gray-backed Tern | Sterna lunata | 1 images online, 7 offline |
| Gray-backed Thrush | Turdus hortulorum | 3 image online, 1 offline |
| Gray-barred Wren | Campylorhynchus megalopterus | 1 image online, 1 offline |
| Gray-bellied Bulbul | Pycnonotus cyaniventris | 2 image online, 1 offline |
| Gray-bellied Longbill | Oedistoma iliolophum | 2 images online, 4 offline |
| Gray-bellied Shrike-Tyrant | Agriornis microptera | 4 images online, 5 offline |
| Gray-bellied Spinetail | Synallaxis cinerascens | 2 images online, 2 offline |
| Gray-breasted Babbler | Malacopteron albogulare | 1 images online, 2 offline |
| Gray-breasted Crake | Laterallus exilis | 3 images online, 2 offline |
| Gray-breasted Flycatcher | Lathrotriccus griseipectus | 1 images online, 3 offline |
| Gray-breasted Ground-Dove | Gallicolumba beccarii | 3 images online, 5 offline |
| Gray-breasted Martin | Progne chalybea | 7 images online, 2 offline |
| Gray-breasted Mountain Toucan | Andigena hypoglauca | 6 images online, 8 offline |
| Gray-breasted Prinia | Prinia hodgsoni | 2 image online, 1 offline |
| Gray-breasted Sabrewing | Campylopterus largipennis | 2 images online, 49 offline |
| Gray-breasted Seedsnipe | Thinocorus orbignyianus | 4 images online, 2 offline |
| Gray-breasted Spiderhunter | Arachnothera affinis | 18 images online, 3 offline |
| Gray-breasted Spurfowl | Francolinus rufopictus | 5 image online, 1 offline |
| Gray-breasted Wood-Wren | Henicorhina leucophrys | 6 images online, 21 offline |
| Gray-breasted Woodpecker | Melanerpes hypopolius | 4 images online, 3 offline |
| Gray-capped Flycatcher | Myiozetetes granadensis | 6 images online, 5 offline |
| Gray-capped Tyrannulet | Phyllomyias griseocapilla | 2 images online, 2 offline |
| Gray-cheeked Bulbul | Criniger bres | 6 images online, 2 offline |
| Gray-cheeked Nunlet | Nonnula frontalis | 1 images online, 3 offline |
| Gray-cheeked Thrush | Catharus minimus | 27 images online, 20 offline |
| Gray-chested Dove | Leptotila cassini | 1 images online, 7 offline |
| Gray-chested Greenlet | Hylophilus semicinereus | 1 images online, 7 offline |
| Gray-chested Jungle Flycatcher | Rhinomyias umbratilis | 7 images online, 2 offline |
| Gray-crowned Babbler | Pomatostomus temporalis | 1 images online, 6 offline |
| Gray-crowned Flycatcher | Tolmomyias poliocephalus | 2 images online, 6 offline |
| Gray-crowned Rosy-Finch | Leucosticte tephrocotis | 67 images online, 22 offline |
| Gray-crowned Yellowthroat | Geothlypis poliocephala | 15 images online, 3 offline |
| Gray-eyed Bulbul | Hypsipetes propinquus | 1 images online, 2 offline |
| Gray-faced Buzzard | Butastur indicus | 2 images online, 2 offline |
| Gray-fronted Dove | Leptotila rufaxilla | 8 images online, 25 offline |
| Gray-fronted Quail-Dove | Geotrygon caniceps | 2 image online, 1 offline |
| Gray-headed Albatross | Thalassarche chrysostoma | 25 images online, 38 offline |
| Gray-headed Babbler | Stachyris poliocephala | 6 image online, 1 offline |
| Gray-headed Bushshrike | Malaconotus blanchoti | 6 images online, 3 offline |
| Gray-headed Canary-Flycatcher | Culicicapa ceylonensis | 7 image online, 1 offline |
| Gray-headed Chachalaca | Ortalis cinereiceps | 9 image online, 1 offline |
| Gray-headed Chickadee | Poecile cincta | 7 images online, 3 offline |
| Gray-headed Dove | Leptotila plumbeiceps | 1 images online, 6 offline |
| Gray-headed Fish-Eagle | Ichthyophaga ichthyaetus | 3 images online, 2 offline |
| Gray-headed Goshawk | Accipiter poliocephalus | 3 images online, 16 offline |
| Gray-headed Gull | Larus cirrocephalus | 26 images online, 20 offline |
| Gray-headed Kingfisher | Halcyon leucocephala | 22 images online, 16 offline |
| Gray-headed Kite | Leptodon cayanensis | 4 images online, 16 offline |
| Gray-headed Lapwing | Vanellus cinereus | 4 images online, 5 offline |
| Gray-headed Negro-Finch | Nigrita canicapilla | 2 images online, 5 offline |
| Gray-headed Piprites | Piprites griseiceps | 1 images online, 4 offline |
| Gray-headed Social-Weaver | Pseudonigrita arnaudi | 3 images online, 11 offline |
| Gray-headed Sparrow | Passer griseus | 5 images online, 4 offline |
| Gray-headed Tanager | Eucometis penicillata | 11 images online, 21 offline |
| Gray-headed Woodpecker | Picus canus | 2 images online, 2 offline |
| Gray-hooded Attila | Attila rufus | 5 images online, 9 offline |
| Gray-hooded Bush-Tanager | Cnemoscopus rubrirostris | 9 images online, 9 offline |
| Gray-hooded Flycatcher | Mionectes rufiventris | 4 images online, 5 offline |
| Gray-hooded Sierra-Finch | Phrygilus gayi | 8 images online, 7 offline |
| Gray-hooded Warbler | Seicercus xanthoschistos | 1 image online, 1 offline |
| Gray-legged Tinamou | Crypturellus duidae | 1 image online, 1 offline |
| Gray-necked Bunting | Emberiza buchanani | 2 images online, 5 offline |
| Gray-necked Wood-Rail | Aramides cajanea | 12 images online, 15 offline |
| Gray-streaked Flycatcher | Muscicapa griseisticta | 4 images online, 2 offline |
| Gray-tailed Tattler | Heteroscelus brevipes | 17 images online, 16 offline |
| Gray-throated Babbler | Stachyris nigriceps | 11 image online, 1 offline |
| Gray-throated Leaftosser | Sclerurus albigularis | 3 images online, 5 offline |
| Gray-winged Robin-Chat | Cossypha polioptera | 2 images online, 3 offline |
| Gray-winged Trumpeter | Psophia crepitans | 5 images online, 18 offline |
| Grayish Mourner | Rhytipterna simplex | 6 images online, 8 offline |
| Grayish Piculet | Picumnus granadensis | 2 images online, 5 offline |
| Grayish Saltator | Saltator coerulescens | 13 images online, 22 offline |
| Graylag Goose | Anser anser | 62 images online, 21 offline |
| Great Antshrike | Taraba major | 13 images online, 39 offline |
| Great Argus Pheasant | Argusianus argus | 8 images online, 6 offline |
| Great Auk | Pinguinus impennis | 6 images online, 3 offline |
| Great Bittern | Botaurus stellaris | 21 image online, 1 offline |
| Great Black-backed Gull | Larus marinus | 84 images online, 97 offline |
| Great Black-Hawk | Buteogallus urubitinga | 17 images online, 18 offline |
| Great Black-headed Gull | Larus ichthyaetus | 15 images online, 5 offline |
| Great Blue Heron | Ardea herodias | 302 images online, 377 offline |
| Great Blue Turaco | Corythaeola cristata | 1 image online, 1 offline |
| Great Cormorant | Phalacrocorax carbo | 86 images online, 64 offline |
| Great Crested Flycatcher | Myiarchus crinitus | 36 images online, 43 offline |
| Great Crested Grebe | Podiceps cristatus | 32 images online, 16 offline |
| Great Crested Tern | Sterna bergii | 42 images online, 14 offline |
| Great Curassow | Crax rubra | 9 images online, 3 offline |
| Great Dusky Swift | Aerornis senex | 5 images online, 8 offline |
| Great Egret | Ardea alba | 281 images online, 348 offline |
| Great Frigatebird | Fregata minor | 123 images online, 146 offline |
| Great Gray Bowerbird | Chlamydera nuchalis | 6 images online, 20 offline |
| Great Gray Owl | Strix nebulosa | 82 images online, 69 offline |
| Great Grebe | Podiceps major | 5 images online, 6 offline |
| Great Green Macaw | Ara ambiguus | 6 images online, 5 offline |
| Great Hornbill | Buceros bicornis | 16 images online, 9 offline |
| Great Horned Owl | Bubo virginianus | 162 images online, 153 offline |
| Great Indian Bustard | Ardeotis nigriceps | 2 image online, 1 offline |
| Great Jacamar | Jacamerops aereus | 4 images online, 7 offline |
| Great Kiskadee | Pitangus sulphuratus | 72 images online, 46 offline |
| Great Knot | Calidris tenuirostris | 8 images online, 4 offline |
| Great Lizard-Cuckoo | Saurothera merlini | 10 images online, 2 offline |
| Great Pampa-Finch | Embernagra platensis | 8 images online, 13 offline |
| Great Potoo | Nyctibius grandis | 23 images online, 15 offline |
| Great Reed-Warbler | Acrocephalus arundinaceus | 13 image online, 1 offline |
| Great Rufous Woodcreeper | Xiphocolaptes major | 12 images online, 7 offline |
| Great Sapphirewing | Pterophanes cyanopterus | 13 images online, 8 offline |
| Great Shrike-Tyrant | Agriornis livida | 4 images online, 4 offline |
| Great Skua | Stercorarius skua | 30 images online, 8 offline |
| Great Sparrow | Passer motitensis | 3 image online, 1 offline |
| Great Spotted Cuckoo | Clamator glandarius | 6 images online, 3 offline |
| Great Spotted Kiwi | Apteryx haastii | 1 image online, 1 offline |
| Great Spotted Woodpecker | Dendrocopos major | 33 images online, 42 offline |
| Great Thick-knee | Esacus recurvirostris | 6 images online, 3 offline |
| Great Thrush | Turdus fuscater | 7 images online, 25 offline |
| Great Tinamou | Tinamus major | 5 images online, 11 offline |
| Great Tit | Parus major | 29 images online, 24 offline |
| Great White Pelican | Pelecanus onocrotalus | 62 images online, 132 offline |
| Great-billed Hermit | Phaethornis malaris | 2 images online, 19 offline |
| Great-billed Seed-Finch | Oryzoborus maximiliani | 2 images online, 13 offline |
| Great-tailed Grackle | Quiscalus mexicanus | 52 images online, 42 offline |
| Great-winged Petrel | Pterodroma macroptera | 6 images online, 6 offline |
| Greater Adjutant Stork | Leptoptilos dubius | 1 images online, 26 offline |
| Greater Ani | Crotophaga major | 5 images online, 2 offline |
| Greater Antillean Bullfinch | Loxigilla violacea | 5 images online, 9 offline |
| Greater Antillean Elaenia | Elaenia fallax | 2 image online, 1 offline |
| Greater Antillean Grackle | Quiscalus niger | 8 images online, 16 offline |
| Greater Antillean Nightjar | Caprimulgus cubanensis | 3 images online, 7 offline |
| Greater Antillean Oriole | Icterus dominicensis | 4 images online, 5 offline |
| Greater Bird of Paradise | Paradisaea apoda | 3 images online, 2 offline |
| Greater Brown Fruit-Dove | Phapitreron amethystina | 3 images online, 3 offline |
| Greater Coucal | Centropus sinensis | 4 images online, 3 offline |
| Greater Double-collared Sunbird | Cinnyris afer | 6 image online, 1 offline |
| Greater Flamingo | Phoenicopterus roseus | 79 images online, 225 offline |
| Greater Flowerpiercer | Diglossa major | 2 images online, 4 offline |
| Greater Green Leafbird | Chloropsis sonnerati | 12 images online, 2 offline |
| Greater Honeyguide | Indicator indicator | 4 image online, 1 offline |
| Greater Hoopoe-Lark | Alaemon alaudipes | 6 images online, 7 offline |
| Greater Kestrel | Falco rupicoloides | 10 images online, 4 offline |
| Greater Necklaced Laughingthrush | Garrulax pectoralis | 3 images online, 3 offline |
| Greater Painted-Snipe | Rostratula benghalensis | 13 images online, 4 offline |
| Greater Pewee | Contopus pertinax | 17 images online, 5 offline |
| Greater Prairie-Chicken | Tympanuchus cupido | 52 images online, 15 offline |
| Greater Racket-tailed Drongo | Dicrurus paradiseus | 3 images online, 8 offline |
| Greater Rhea | Rhea americana | 19 images online, 22 offline |
| Greater Roadrunner | Geococcyx californianus | 78 images online, 97 offline |
| Greater Sage-Grouse | Centrocercus urophasianus | 39 images online, 46 offline |
| Greater Sand-Plover | Charadrius leschenaultii | 22 images online, 7 offline |
| Greater Scaup | Aythya marila | 87 images online, 20 offline |
| Greater Schiffornis | Schiffornis major | 1 images online, 19 offline |
| Greater Scythebill | Campylorhamphus pucherani | 1 images online, 5 offline |
| Greater Shearwater | Puffinus gravis | 34 images online, 29 offline |
| Greater Sooty Owl | Tyto tenebricosa | 5 images online, 11 offline |
| Greater Spotted Eagle | Aquila clanga | 25 images online, 6 offline |
| Greater Striped Swallow | Hirundo cucullata | 3 image online, 1 offline |
| Greater Thornbird | Phacellodomus ruber | 11 images online, 13 offline |
| Greater Wagtail-Tyrant | Stigmatura budytoides | 6 images online, 7 offline |
| Greater White-fronted Goose | Anser albifrons | 79 images online, 27 offline |
| Greater Whitethroat | Sylvia communis | 8 images online, 3 offline |
| Greater Yellow-Finch | Sicalis auriventris | 2 images online, 3 offline |
| Greater Yellow-headed Vulture | Cathartes melambrotus | 2 images online, 3 offline |
| Greater Yellowlegs | Tringa melanoleuca | 84 images online, 69 offline |
| Green Aracari | Pteroglossus viridis | 3 images online, 3 offline |
| Green Bee-eater | Merops orientalis | 21 images online, 9 offline |
| Green Broadbill | Calyptomena viridis | 34 images online, 24 offline |
| Green Catbird | Ailuroedus crassirostris | 5 images online, 7 offline |
| Green Figbird | Sphecotheres vielloti | 3 images online, 2 offline |
| Green Hermit | Phaethornis guy | 26 images online, 17 offline |
| Green Heron | Butorides virescens | 120 images online, 150 offline |
| Green Honeycreeper | Chlorophanes spiza | 40 images online, 67 offline |
| Green Hylia | Hylia prasina | 3 images online, 4 offline |
| Green Ibis | Mesembrinibis cayennensis | 4 images online, 8 offline |
| Green Imperial-Pigeon | Ducula aenea | 10 images online, 5 offline |
| Green Jay | Cyanocorax yncas | 74 images online, 27 offline |
| Green Kingfisher | Chloroceryle americana | 28 images online, 27 offline |
| Green Longtail | Urolais epichlora | 3 images online, 2 offline |
| Green Magpie | Cissa chinensis | 1 images online, 4 offline |
| Green Manakin | Chloropipo holochlora | 3 images online, 26 offline |
| Green Mango | Anthracothorax viridis | 2 image online, 1 offline |
| Green Oropendola | Psarocolius viridis | 1 images online, 2 offline |
| Green Parakeet | Aratinga holochlora | 15 images online, 6 offline |
| Green Peafowl | Pavo muticus | 2 images online, 3 offline |
| Green Pheasant | Phasianus versicolor | 1 image online, 1 offline |
| Green Pygmy-Goose | Nettapus pulchellus | 6 images online, 6 offline |
| Green Sandpiper | Tringa ochropus | 19 images online, 5 offline |
| Green Thorntail | Discosura conversii | 37 images online, 12 offline |
| Green Violetear | Colibri thalassinus | 33 images online, 18 offline |
| Green Wood Hoopoe | Phoeniculus purpureus | 16 images online, 6 offline |
| Green Woodpecker | Picus viridis | 6 images online, 23 offline |
| Green-and-black Fruiteater | Pipreola riefferii | 8 images online, 22 offline |
| Green-and-gold Tanager | Tangara schrankii | 11 images online, 18 offline |
| Green-and-rufous Kingfisher | Chloroceryle inda | 18 images online, 29 offline |
| Green-and-white Hummingbird | Amazilia viridicauda | 3 images online, 2 offline |
| Green-backed Becard | Pachyramphus viridis | 2 images online, 12 offline |
| Green-backed Camaroptera | Camaroptera brachyura | 8 images online, 3 offline |
| Green-backed Firecrown | Sephanoides sephanoides | 4 images online, 5 offline |
| Green-backed Honeyguide | Prodotiscus zambesiae | 5 images online, 4 offline |
| Green-backed Sparrow | Arremonops chloronotus | 1 images online, 9 offline |
| Green-backed Whistler | Pachycephala albiventris | 1 images online, 3 offline |
| Green-barred Woodpecker | Colaptes melanochloros | 8 images online, 17 offline |
| Green-bellied Hummingbird | Amazilia viridigaster | 1 image online, 1 offline |
| Green-breasted Mango | Anthracothorax prevostii | 12 images online, 22 offline |
| Green-cheeked Conure | Pyrrhura molinae | 1 images online, 3 offline |
| Green-crowned Brilliant | Heliodoxa jacula | 54 images online, 43 offline |
| Green-crowned Woodnymph | Thalurania fannyi | 18 images online, 12 offline |
| Green-fronted Hummingbird | Amazilia viridifrons | 2 images online, 3 offline |
| Green-fronted Lancebill | Doryfera ludovicae | 2 images online, 4 offline |
| Green-headed Sunbird | Cyanomitra verticalis | 1 images online, 7 offline |
| Green-headed Tanager | Tangara seledon | 10 images online, 22 offline |
| Green-rumped Parrotlet | Forpus passerinus | 8 images online, 19 offline |
| Green-striped Brush-Finch | Buarremon virenticeps | 6 image online, 1 offline |
| Green-tailed Bristlebill | Bleda eximia | 3 image online, 1 offline |
| Green-tailed Goldenthroat | Polytmus theresiae | 6 images online, 33 offline |
| Green-tailed Jacamar | Galbula galbula | 2 images online, 11 offline |
| Green-tailed Towhee | Pipilo chlorurus | 24 images online, 18 offline |
| Green-tailed Trainbearer | Lesbia nuna | 6 images online, 15 offline |
| Green-tailed Warbler | Microligea palustris | 3 images online, 6 offline |
| Green-throated Carib | Eulampis holosericeus | 8 images online, 17 offline |
| Green-throated Mango | Anthracothorax viridigula | 1 images online, 2 offline |
| Green-throated Mountain-Gem | Lampornis viridipallens | 3 images online, 2 offline |
| Green-winged King Parrot | Alisterus chloropterus | 1 images online, 5 offline |
| Green-winged Pytilia | Pytilia melba | 8 images online, 11 offline |
| Green-winged Saltator | Saltator similis | 2 images online, 13 offline |
| Green-winged Teal | Anas crecca | 111 images online, 44 offline |
| Green-winged Twin-spot | Mandingoa nitidula | 1 images online, 7 offline |
| Greenish Elaenia | Myiopagis viridicata | 12 images online, 21 offline |
| Greenish Puffleg | Haplophaedia aureliae | 1 images online, 12 offline |
| Greenish Schiffornis | Schiffornis virescens | 3 images online, 13 offline |
| Greenish Warbler | Phylloscopus trochiloides | 4 images online, 9 offline |
| Grenada Dove | Leptotila wellsi | 1 image online, 1 offline |
| Griffon Vulture | Gyps fulvus | 65 images online, 13 offline |
| Groove-billed Ani | Crotophaga sulcirostris | 25 images online, 25 offline |
| Groove-billed Toucanet | Aulacorhynchus sulcatus | 8 image online, 1 offline |
| Grosbeak Canary | Serinus donaldsoni | 4 images online, 7 offline |
| Grosbeak Starling | Scissirostrum dubium | 3 images online, 2 offline |
| Grosbeak Weaver | Amblyospiza albifrons | 6 images online, 9 offline |
| Ground Thicket-Flycatcher | Heteromyias albispecularis | 5 images online, 8 offline |
| Groundscraper Thrush | Psophocichla litsitsirupa | 9 images online, 2 offline |
| Guam Rail | Rallus owstoni | 3 images online, 9 offline |
| Guanay Cormorant | Phalacrocorax bougainvillii | 5 images online, 4 offline |
| Guianan Cock-of-the-Rock | Rupicola rupicola | 7 images online, 37 offline |
| Guianan Red Cotinga | Phoenicircus carnifex | 3 images online, 2 offline |
| Guianan Streaked Antwren | Myrmotherula surinamensis | 4 images online, 29 offline |
| Guianan Toucanet | Selenidera culik | 1 images online, 11 offline |
| Guinea Turaco | Tauraco persa | 1 images online, 2 offline |
| Guira Cuckoo | Guira guira | 18 images online, 16 offline |
| Guira Tanager | Hemithraupis guira | 4 images online, 2 offline |
| Gull sp. | Larid sp. | 13 images online, 45 offline |
| Gull-billed Tern | Gelochelidon nilotica | 31 images online, 15 offline |
| Gunnison Sage-Grouse | Centrocercus minimus | 19 images online, 2 offline |
| Guttulated Foliage-gleaner | Syndactyla guttulata | 1 images online, 4 offline |
| Gyrfalcon | Falco rusticolus | 61 images online, 48 offline |
| Hachisuka's Sunbird | Aethopyga primigenius | 3 images online, 7 offline |
| Hadada Ibis | Bostrychia hagedash | 12 images online, 22 offline |
| Hairy Woodpecker | Picoides villosus | 58 images online, 28 offline |
| Hairy-backed Bulbul | Hypsipetes criniger | 12 image online, 1 offline |
| Hairy-crested Antbird | Rhegmatorhina melanosticta | 4 images online, 16 offline |
| Hamerkop | Scopus umbretta | 27 images online, 56 offline |
| Hammond's Flycatcher | Empidonax hammondii | 26 images online, 12 offline |
| Handsome Flycatcher | Myiophobus pulcher | 3 images online, 6 offline |
| Hangnest Tody-Tyrant | Hemitriccus nidipendulus | 4 images online, 3 offline |
| Happy Wren | Thryothorus felix | 4 images online, 3 offline |
| Harlequin Duck | Histrionicus histrionicus | 138 images online, 28 offline |
| Harpy Eagle | Harpia harpyja | 12 images online, 10 offline |
| Harris's Hawk | Parabuteo unicinctus | 148 images online, 65 offline |
| Harris's Sparrow | Zonotrichia querula | 29 images online, 14 offline |
| Hartlaub's Bustard | Lissotis hartlaubii | 2 images online, 12 offline |
| Hartlaub's Duck | Pteronetta hartlaubii | 1 image online, 1 offline |
| Hartlaub's Gull | Larus hartlaubii | 7 images online, 18 offline |
| Hartlaub's Turaco | Tauraco hartlaubi | 1 images online, 3 offline |
| Hauxwell's Thrush | Turdus hauxwelli | 2 images online, 8 offline |
| Hawaii Amakihi | Hemignathus virens | 9 images online, 2 offline |
| Hawaii Creeper | Oreomystis mana | 3 images online, 4 offline |
| Hawaiian Coot | Fulica alai | 2 images online, 3 offline |
| Hawaiian Duck | Anas wyvilliana | 3 image online, 1 offline |
| Hawaiian Hawk | Buteo solitarius | 10 images online, 3 offline |
| Hawaiian Petrel | Pterodroma sandwichensis | 1 images online, 3 offline |
| Hawfinch | Coccothraustes coccothraustes | 4 images online, 3 offline |
| Hawk sp. | Accipitridae sp. | 3 images online, 7 offline |
| Hawk-headed Parrot | Deroptyus accipitrinus | 3 images online, 6 offline |
| Hazel Grouse | Bonasa bonasia | 2 images online, 3 offline |
| Heermann's Gull | Larus heermanni | 111 images online, 116 offline |
| Helmeted Curassow | Crax pauxi | 1 images online, 8 offline |
| Helmeted Guineafowl | Numida meleagris | 32 images online, 30 offline |
| Helmeted Hornbill | Rhinoplax vigil | 5 images online, 3 offline |
| Helmeted Manakin | Antilophia galeata | 2 images online, 27 offline |
| Helmeted Pygmy-Tyrant | Lophotriccus galeatus | 1 images online, 6 offline |
| Hemprich's Hornbill | Tockus hemprichii | 2 image online, 1 offline |
| Henna-hooded Foliage-gleaner | Hylocryptus erythrocephalus | 4 images online, 3 offline |
| Henslow's Sparrow | Ammodramus henslowii | 36 images online, 14 offline |
| Hepatic Tanager | Piranga flava | 37 images online, 31 offline |
| Herald Petrel | Pterodroma arminjoniana | 21 images online, 8 offline |
| Hermit Thrush | Catharus guttatus | 73 images online, 34 offline |
| Hermit Warbler | Dendroica occidentalis | 21 images online, 5 offline |
| Heron sp. | Ardeid sp. | 7 images online, 30 offline |
| Herring Gull | Larus argentatus | 256 images online, 279 offline |
| Heughlin's Masked Weaver | Ploceus heuglini | 1 images online, 3 offline |
| Heuglin's Courser | Rhinoptilus cinctus | 5 images online, 4 offline |
| Highland Elaenia | Elaenia obscura | 4 images online, 6 offline |
| Highland Motmot | Momotus aequatorialis | 1 images online, 5 offline |
| Hildebrandt's Francolin | Francolinus hildebrandti | 3 images online, 2 offline |
| Hildebrandt's Starling | Spreo hildebrandti | 5 images online, 7 offline |
| Hill Myna | Gracula religiosa | 5 image online, 1 offline |
| Hill Pigeon | Columba rupestris | 4 image online, 1 offline |
| Himalayan Bulbul | Pycnonotus leucogenys | 8 images online, 3 offline |
| Himalayan Monal-Pheasant | Lophophorus impeyanus | 2 images online, 4 offline |
| Himalayan Vulture | Gyps himalayensis | 9 images online, 3 offline |
| Hispaniolan Emerald | Chlorostilbon swainsonii | 1 images online, 8 offline |
| Hispaniolan Parakeet | Aratinga chloroptera | 4 images online, 6 offline |
| Hispaniolan Parrot | Amazona ventralis | 3 images online, 8 offline |
| Hispaniolan Spindalis | Spindalis dominicensis | 6 images online, 6 offline |
| Hispaniolan Trogon | Priotelus roseigaster | 1 images online, 4 offline |
| Hispaniolan Woodpecker | Melanerpes striatus | 6 images online, 16 offline |
| Hoary Puffleg | Haplophaedia lugens | 2 images online, 4 offline |
| Hoary Redpoll | Carduelis hornemanni | 23 images online, 4 offline |
| Hoary-headed Grebe | Poliocephalus poliocephalus | 3 images online, 3 offline |
| Hoatzin | Opisthocomus hoazin | 38 images online, 12 offline |
| Hoffmann's Woodpecker | Melanerpes hoffmannii | 2 image online, 1 offline |
| Holub's Golden Weaver | Ploceus xanthops | 2 images online, 3 offline |
| Hood Mockingbird | Nesomimus macdonaldi | 46 images online, 9 offline |
| Hooded Antpitta | Grallaricula cucullata | 1 images online, 4 offline |
| Hooded Crane | Grus monacha | 9 images online, 3 offline |
| Hooded Grebe | Podiceps gallardoi | 9 images online, 6 offline |
| Hooded Merganser | Lophodytes cucullatus | 114 images online, 23 offline |
| Hooded Mountain-Tanager | Buthraupis montana | 4 images online, 17 offline |
| Hooded Oriole | Icterus cucullatus | 58 images online, 43 offline |
| Hooded Pitta | Pitta sordida | 4 images online, 25 offline |
| Hooded Siskin | Carduelis magellanica | 3 images online, 14 offline |
| Hooded Tanager | Nemosia pileata | 6 images online, 7 offline |
| Hooded Treepie | Crypsirina cucullata | 3 images online, 2 offline |
| Hooded Visorbearer | Augastes lumachellus | 1 images online, 74 offline |
| Hooded Vulture | Necrosyrtes monachus | 11 images online, 28 offline |
| Hooded Warbler | Wilsonia citrina | 53 images online, 64 offline |
| Hooded Wheatear | Oenanthe monacha | 4 images online, 2 offline |
| Hook-billed Hermit | Glaucis dohrnii | 6 images online, 4 offline |
| Hook-billed Kingfisher | Melidora macrorrhina | 1 images online, 4 offline |
| Hook-billed Kite | Chondrohierax uncinatus | 19 images online, 11 offline |
| Hook-billed Vanga | Vanga curvirostris | 1 image online, 1 offline |
| Horned Grebe | Podiceps auritus | 85 images online, 46 offline |
| Horned Guan | Oreophasis derbianus | 2 images online, 5 offline |
| Horned Lark | Eremophila alpestris | 84 images online, 44 offline |
| Horned Puffin | Fratercula corniculata | 62 images online, 40 offline |
| Horned Screamer | Anhima cornuta | 14 images online, 13 offline |
| Horned Sungem | Heliactin bilophus | 1 images online, 39 offline |
| Horseshoe Crab | Limulus polyphemus | 1 images online, 20 offline |
| Horsfield's Babbler | Trichastoma sepiarium | 8 image online, 1 offline |
| Hose's Broadbill | Calyptomena hosii | 8 images online, 3 offline |
| Hottentot Teal | Anas hottentota | 5 images online, 7 offline |
| House Crow | Corvus splendens | 13 images online, 9 offline |
| House Finch | Carpodacus mexicanus | 108 images online, 126 offline |
| House Sparrow | Passer domesticus | 78 images online, 59 offline |
| House Wren | Troglodytes aedon | 106 images online, 81 offline |
| Huallaga Tanager | Ramphocelus melanogaster | 1 images online, 6 offline |
| Hudsonian Godwit | Limosa haemastica | 70 images online, 57 offline |
| Human | Homo sapiens | 370 images online, 209 offline |
| Humboldt Penguin | Spheniscus humboldti | 12 images online, 7 offline |
| Hummingbird sp. | Trochilid sp. | 7 images online, 26 offline |
| Hunter's Cisticola | Cisticola hunteri | 5 images online, 6 offline |
| Hunter's Sunbird | Chalcomitra hunteri | 9 images online, 5 offline |
| Huon Melipotes | Melipotes ater | 5 images online, 11 offline |
| Hutton's Vireo | Vireo huttoni | 18 images online, 7 offline |
| Hyacinth Macaw | Anodorhynchus hyacinthinus | 22 images online, 62 offline |
| Hyacinth Visorbearer | Augastes scutatus | 2 images online, 54 offline |
| Hybrid Bird-of-Paradise | P. raggiana x P. minor | 2 images online, 12 offline |
| Hybrid Brewster's Warbler | V. pinus x V. chrysopterus | 14 images online, 13 offline |
| Hybrid Duck Black x Mallard | A. platyrhynchos x A. rubripes | 9 images online, 6 offline |
| Hybrid Glaucous-winged x Herring Gull | L. glaucescens x argentatus | 12 image online, 1 offline |
| Hybrid HeTo Warbler | D. townsendi x D. occidentalis | 2 image online, 1 offline |
| Hybrid Lawrence's Warbler | V. chrysopterus x V. pinus | 6 images online, 2 offline |
| Hybrid Macaw | Ara sp. | 3 image online, 1 offline |
| Hybrid Nelson's Gull | L. argentatus x L. hyperboreus | 11 images online, 7 offline |
| Hybrid Olympic Gull | L. occidentalis x L. glaucescens | 16 image online, 1 offline |
| Hybrid Oriole Altamira x Hooded | I. gularis x I. Cucullatus | 4 image online, 1 offline |
| Hybrid Towhee | Hybrid Pipilo | 6 images online, 6 offline |
| Ibis sp. | Threskiornithid sp. | 1 images online, 2 offline |
| Ibisbill | Ibidorhyncha struthersii | 7 images online, 2 offline |
| Iceland Gull | Larus glaucoides | 109 images online, 36 offline |
| Icterine Greenbul | Phyllastrephus icterinus | 3 images online, 4 offline |
| Ihering's Antwren | Myrmotherula iheringi | 1 images online, 8 offline |
| Iiwi | Vestiaria coccinea | 11 images online, 8 offline |
| Immaculate Antbird | Myrmeciza immaculata | 16 images online, 22 offline |
| Imperial Eagle | Aquila heliaca | 18 images online, 6 offline |
| Imperial Parrot | Amazona imperialis | 1 image online, 1 offline |
| Inca Dove | Columbina inca | 45 images online, 26 offline |
| Inca Flycatcher | Leptopogon taczanowskii | 1 images online, 4 offline |
| Inca Tern | Larosterna inca | 23 images online, 21 offline |
| Indian Blue Robin | Erithacus brunneus | 3 images online, 3 offline |
| Indian Cormorant | Phalacrocorax fuscicollis | 4 images online, 7 offline |
| Indian Courser | Cursorius coromandelicus | 3 image online, 1 offline |
| Indian Cuckoo | Cuculus micropterus | 1 images online, 2 offline |
| Indian Gray Hornbill | Tockus birostris | 4 images online, 2 offline |
| Indian Nightjar | Caprimulgus asiaticus | 2 images online, 2 offline |
| Indian Pond-Heron | Ardeola grayii | 21 images online, 8 offline |
| Indian Robin | Saxicoloides fulicata | 8 images online, 2 offline |
| Indian Roller | Coracias benghalensis | 25 images online, 9 offline |
| Indian Scops-Owl | Otus bakkamoena | 5 images online, 3 offline |
| Indian Silverbill | Lonchura malabarica | 7 images online, 3 offline |
| Indian Spot-billed Duck | Anas poecilorhyncha | 6 images online, 4 offline |
| Indian White-backed Vulture | Gyps indicus | 2 images online, 5 offline |
| Indigo Bunting | Passerina cyanea | 93 images online, 117 offline |
| Indigo Flowerpiercer | Diglossa indigotica | 3 images online, 9 offline |
| Indigo Grosbeak | Cyanocompsa glaucocaerulea | 6 images online, 10 offline |
| Indigo-capped Hummingbird | Amazilia cyanifrons | 1 images online, 9 offline |
| Indonesian Teal | Anas gibberifrons | 2 images online, 7 offline |
| Intermediate Egret | Egretta intermedia | 20 images online, 19 offline |
| Iris Lory | Trichoglossus iris | 1 images online, 2 offline |
| Isabelline Shrike | Lanius isabellinus | 14 images online, 3 offline |
| Isabelline Wheatear | Oenanthe isabellina | 8 images online, 5 offline |
| Island Scrub-Jay | Aphelocoma insularis | 13 images online, 7 offline |
| Island Thrush | Turdus poliocephalus | 11 images online, 19 offline |
| Itatiaia Spinetail | Schizoeaca moreirae | 3 image online, 1 offline |
| Ivory Gull | Pagophila eburnea | 32 images online, 13 offline |
| Ivory-billed Aracari | Pteroglossus azara | 7 images online, 10 offline |
| Ivory-billed Woodcreeper | Xiphorhynchus flavigaster | 5 images online, 2 offline |
| Ivory-billed Woodpecker | Campephilus principalis | 10 images online, 8 offline |
| Jabiru | Jabiru mycteria | 30 images online, 68 offline |
| Jack Snipe | Lymnocryptes minimus | 8 image online, 1 offline |
| Jackal Buzzard | Buteo rufofuscus | 9 images online, 2 offline |
| Jackass Penguin | Spheniscus demersus | 37 images online, 18 offline |
| Jackson's Francolin | Francolinus jacksoni | 2 images online, 3 offline |
| Jackson's Hornbill | Tockus jacksoni | 4 images online, 3 offline |
| Jackson's Widowbird | Euplectes jacksoni | 1 images online, 6 offline |
| Jacky Winter | Microeca leucophaea | 3 images online, 4 offline |
| Jamaican Crow | Corvus jamaicensis | 1 image online, 1 offline |
| Jamaican Euphonia | Euphonia jamaica | 1 image online, 1 offline |
| Jamaican Lizard-Cuckoo | Saurothera vetula | 1 image online, 1 offline |
| Jamaican Mango | Anthracothorax mango | 8 images online, 10 offline |
| Jamaican Oriole | Icterus leucopteryx | 3 images online, 5 offline |
| Jamaican Owl | Pseudoscops grammicus | 4 images online, 2 offline |
| Jamaican Pewee | Contopus pallidus | 2 image online, 1 offline |
| Jamaican Tody | Todus todus | 8 images online, 8 offline |
| Jamaican Woodpecker | Melanerpes radiolatus | 5 images online, 3 offline |
| Jambu Fruit-Dove | Ptilinopus jambu | 5 images online, 3 offline |
| James's Flamingo | Phoenicoparrus jamesi | 4 images online, 42 offline |
| Jandaya Parakeet | Aratinga jandaya | 2 images online, 4 offline |
| Japanese Cormorant | Phalacrocorax capillatus | 2 images online, 3 offline |
| Japanese Crane | Grus japonensis | 10 images online, 9 offline |
| Japanese Marsh-Warbler | Megalurus pryeri | 2 images online, 3 offline |
| Japanese Pygmy Woodpecker | Picoides kizuki | 7 images online, 6 offline |
| Japanese Quail | Coturnix japonica | 1 image online, 1 offline |
| Japanese Reed-Bunting | Emberiza yessoensis | 1 images online, 3 offline |
| Japanese Snipe | Gallinago hardwickii | 1 images online, 3 offline |
| Japanese Sparrowhawk | Accipiter gularis | 10 image online, 1 offline |
| Japanese Thrush | Turdus cardis | 3 images online, 3 offline |
| Japanese White-eye | Zosterops japonicus | 7 images online, 10 offline |
| Japanese Yellow Bunting | Emberiza sulphurata | 1 images online, 3 offline |
| Java Sparrow | Padda oryzivora | 6 images online, 4 offline |
| Javanese Pond-Heron | Ardeola speciosa | 3 images online, 3 offline |
| Javanese Turtle-Dove | Streptopelia bitorquata | 1 image online, 1 offline |
| Jerdon's Starling | Sturnus burmannicus | 1 images online, 2 offline |
| Jet Antbird | Cercomacra nigricans | 5 images online, 2 offline |
| Jocotoco Antpitta | Grallaria ridgelyi | 39 images online, 3 offline |
| Jouanin's Petrel | Bulweria fallax | 2 images online, 2 offline |
| Juan Fernandez Firecrown | Sephanoides fernandensis | 6 images online, 21 offline |
| Juan Fernandez Petrel | Pterodroma externa | 6 images online, 10 offline |
| Jungle Myna | Acridotheres fuscus | 6 image online, 1 offline |
| Juniper Titmouse | Baeolophus ridgwayi | 12 image online, 1 offline |
| Kagu | Rhynochetos jubatus | 2 images online, 4 offline |
| Kaka | Nestor meridionalis | 2 images online, 13 offline |
| Kakapo | Strigops habroptilus | 7 images online, 2 offline |
| Kalij Pheasant | Lophura leucomelanos | 7 images online, 2 offline |
| Kamchatka Gull | Larus kamtschatschensis | 23 image online, 1 offline |
| Karoo Prinia | Prinia maculosa | 1 images online, 4 offline |
| Kea | Nestor notabilis | 15 images online, 36 offline |
| Keel-billed Toucan | Ramphastos sulfuratus | 27 images online, 13 offline |
| Kelp Goose | Chloephaga hybrida | 22 images online, 49 offline |
| Kelp Gull | Larus dominicanus | 48 images online, 78 offline |
| Kentucky Warbler | Oporornis formosus | 32 images online, 78 offline |
| Kenya Crested Guineafowl | Guttera edouardi | 1 image online, 1 offline |
| Kenya Rufous-Sparrow | Passer rufocinctus | 5 images online, 6 offline |
| Kermadec Petrel | Pterodroma neglecta | 3 images online, 4 offline |
| Key West Quail-Dove | Geotrygon chrysia | 6 images online, 7 offline |
| Killdeer | Charadrius vociferus | 98 images online, 113 offline |
| King Bird of Paradise | Cicinnurus regius | 12 images online, 89 offline |
| King Eider | Somateria spectabilis | 52 images online, 23 offline |
| King of Saxony Bird of Paradise | Pteridophora alberti | 2 images online, 3 offline |
| King Penguin | Aptenodytes patagonicus | 169 images online, 175 offline |
| King Quail | Excalfactoria chinensis | 1 images online, 4 offline |
| King Rail | Rallus elegans | 26 images online, 43 offline |
| King Vulture | Sarcoramphus papa | 14 images online, 17 offline |
| Kirtland's Warbler | Dendroica kirtlandii | 52 images online, 26 offline |
| Kittlitz's Plover | Charadrius pecuarius | 13 images online, 15 offline |
| Klaas's Cuckoo | Chrysococcyx klaas | 2 image online, 1 offline |
| Knysna Turaco | Tauraco corythaix | 2 images online, 2 offline |
| Koepke's Hermit | Phaethornis koepckeae | 1 images online, 3 offline |
| Kokako | Callaeas cinerea | 3 images online, 2 offline |
| Koklass Pheasant | Pucrasia macrolopha | 1 image online, 1 offline |
| Kori Bustard | Ardeotis kori | 34 images online, 41 offline |
| Kurrichane Thrush | Turdus libonyanus | 7 images online, 3 offline |
| La Sagra's Flycatcher | Myiarchus sagrae | 6 images online, 4 offline |
| La Selle Thrush | Turdus swalesi | 3 images online, 4 offline |
| Labrador Duck | Camptorhynchus labradorius | 8 images online, 2 offline |
| Laced Woodpecker | Picus vittatus | 3 image online, 1 offline |
| Lacrimose Mountain-Tanager | Anisognathus lacrymosus | 12 images online, 15 offline |
| Ladder-backed Woodpecker | Picoides scalaris | 39 images online, 12 offline |
| Ladder-tailed Nightjar | Hydropsalis climacocerca | 10 images online, 8 offline |
| Lady Amherst's Pheasant | Chrysolophus amherstiae | 7 images online, 4 offline |
| Lafresnayes Piculet | Picumnus lafresnayi | 2 image online, 1 offline |
| Lagger Falcon | Falco jugger | 1 images online, 4 offline |
| Lake Duck | Oxyura vittata | 5 images online, 3 offline |
| Lammergeier | Gypaetus barbatus | 40 images online, 24 offline |
| Lance-tailed Manakin | Chiroxiphia lanceolata | 3 images online, 13 offline |
| Lanceolated Jay | Garrulus lanceolatus | 1 image online, 1 offline |
| Lanceolated Monklet | Micromonacha lanceolata | 8 images online, 12 offline |
| Lanceolated Warbler | Locustella lanceolata | 3 images online, 4 offline |
| Lanner Falcon | Falco biarmicus | 19 images online, 13 offline |
| Lapland Longspur | Calcarius lapponicus | 71 images online, 17 offline |
| Lappet-faced Vulture | Torgos tracheliotus | 33 images online, 54 offline |
| Large Cactus-Finch | Geospiza conirostris | 31 images online, 2 offline |
| Large Elaenia | Elaenia spectabilis | 5 images online, 11 offline |
| Large Flycatcher | Bradornis microrhynchus | 5 images online, 5 offline |
| Large Gray Babbler | Turdoides malcolmi | 1 image online, 1 offline |
| Large Ground-Finch | Geospiza magnirostris | 4 images online, 4 offline |
| Large Mountain Sericornis | Sericornis nouhuysi | 4 images online, 15 offline |
| Large Niltava | Niltava grandis | 5 images online, 3 offline |
| Large Owlet-Nightjar | Aegotheles insignis | 3 images online, 10 offline |
| Large-billed Antwren | Herpsilochmus longirostris | 3 images online, 4 offline |
| Large-billed Blue-Flycatcher | Cyornis caerulata | 22 images online, 3 offline |
| Large-billed Crow | Corvus macrorhynchos | 13 images online, 8 offline |
| Large-billed Seed-Finch | Oryzoborus crassirostris | 5 images online, 11 offline |
| Large-billed Sericornis | Sericornis magnirostris | 1 images online, 2 offline |
| Large-billed Tern | Phaetusa simplex | 8 images online, 14 offline |
| Large-headed Flatbill | Ramphotrigon megacephala | 2 images online, 3 offline |
| Large-tailed Antshrike | Mackenziaena leachii | 3 images online, 7 offline |
| Large-tailed Nightjar | Caprimulgus macrurus | 3 images online, 10 offline |
| Lark Bunting | Calamospiza melanocorys | 50 images online, 35 offline |
| Lark Sparrow | Chondestes grammacus | 43 images online, 16 offline |
| Lark-like Brushrunner | Coryphistera alaudina | 4 images online, 8 offline |
| Laughing Dove | Streptopelia senegalensis | 27 images online, 11 offline |
| Laughing Falcon | Herpetotheres cachinnans | 17 images online, 23 offline |
| Laughing Gull | Leucophaeus atricilla | 275 images online, 169 offline |
| Laughing Kookaburra | Dacelo novaeguineae | 13 images online, 10 offline |
| Lauterbach's Bowerbird | Chlamydera lauterbachi | 3 images online, 32 offline |
| Lava Gull | Larus fuliginosus | 21 images online, 16 offline |
| Lawes's Parotia | Parotia lawesii | 2 images online, 23 offline |
| Lawrence's Goldfinch | Carduelis lawrencei | 27 images online, 11 offline |
| Lawrence's Thrush | Turdus lawrencii | 2 images online, 3 offline |
| Laysan Albatross | Phoebastria immutabilis | 81 images online, 114 offline |
| Laysan Duck | Anas laysanensis | 8 images online, 8 offline |
| Laysan Finch | Telespiza cantans | 4 images online, 5 offline |
| Lazuli Bunting | Passerina amoena | 49 images online, 21 offline |
| Lazuline Sabrewing | Campylopterus falcatus | 2 images online, 21 offline |
| Lazy Cisticola | Cisticola aberrans | 2 images online, 2 offline |
| Le Conte's Sparrow | Ammodramus leconteii | 33 images online, 15 offline |
| Leach's Storm-Petrel | Oceanodroma leucorhoa | 23 images online, 23 offline |
| Least Auklet | Aethia pusilla | 40 images online, 43 offline |
| Least Bittern | Ixobrychus exilis | 53 images online, 44 offline |
| Least Flycatcher | Empidonax minimus | 33 images online, 26 offline |
| Least Grebe | Tachybaptus dominicus | 45 images online, 16 offline |
| Least Pygmy-Owl | Glaucidium minutissimum | 1 images online, 17 offline |
| Least Sandpiper | Calidris minutilla | 94 images online, 100 offline |
| Least Seedsnipe | Thinocorus rumicivorus | 8 images online, 14 offline |
| Least Storm-Petrel | Oceanodroma microsoma | 5 images online, 6 offline |
| Least Tern | Sternula antillarum | 153 images online, 114 offline |
| Lemon Dove | Columba larvata | 1 image online, 1 offline |
| Lemon-breasted Flycatcher | Microeca flavigaster | 4 images online, 3 offline |
| Lemon-browed Flycatcher | Conopias cinchoneti | 1 image online, 1 offline |
| Lemon-chested Greenlet | Hylophilus thoracicus | 2 images online, 2 offline |
| Lemon-rumped Tanager | Ramphocelus icteronotus | 9 image online, 1 offline |
| Lemon-rumped Warbler | Phylloscopus chloronotus | 3 images online, 2 offline |
| Lemon-spectacled Tanager | Chlorothraupis olivacea | 7 images online, 13 offline |
| Lemon-throated Barbet | Eubucco richardsoni | 1 images online, 9 offline |
| Lesser Adjutant Stork | Leptoptilos javanicus | 2 images online, 32 offline |
| Lesser Antillean Bullfinch | Loxigilla noctis | 5 images online, 17 offline |
| Lesser Antillean Flycatcher | Myiarchus oberi | 4 images online, 2 offline |
| Lesser Antillean Pewee | Contopus latirostris | 9 images online, 17 offline |
| Lesser Antillean Saltator | Saltator albicollis | 1 images online, 5 offline |
| Lesser Bird of Paradise | Paradisaea minor | 4 images online, 50 offline |
| Lesser Black-backed Gull | Larus fuscus | 139 images online, 33 offline |
| Lesser Brown Fruit-Dove | Phapitreron leucotis | 2 images online, 2 offline |
| Lesser Canastero | Asthenes pyrrholeuca | 1 images online, 3 offline |
| Lesser Coucal | Centropus bengalensis | 3 image online, 1 offline |
| Lesser Crested Tern | Sterna bengalensis | 9 images online, 2 offline |
| Lesser Elaenia | Elaenia chiriquensis | 6 images online, 10 offline |
| Lesser Flamingo | Phoeniconaias minor | 127 images online, 298 offline |
| Lesser Frigatebird | Fregata ariel | 20 images online, 13 offline |
| Lesser Goldfinch | Carduelis psaltria | 96 images online, 52 offline |
| Lesser Gray Shrike | Lanius minor | 7 image online, 1 offline |
| Lesser Green Leafbird | Chloropsis cyanopogon | 3 image online, 1 offline |
| Lesser Greenlet | Hylophilus decurtatus | 2 images online, 12 offline |
| Lesser Ground-Cuckoo | Morococcyx erythropygus | 6 images online, 8 offline |
| Lesser Honeyguide | Indicator minor | 5 images online, 2 offline |
| Lesser Hornero | Furnarius minor | 1 images online, 7 offline |
| Lesser Jacana | Microparra capensis | 3 image online, 1 offline |
| Lesser Kestrel | Falco naumanni | 32 images online, 8 offline |
| Lesser Kiskadee | Pitangus lictor | 13 images online, 9 offline |
| Lesser Masked Weaver | Ploceus intermedius | 21 images online, 17 offline |
| Lesser New Guinea Thrush | Amalocichla incerta | 5 images online, 9 offline |
| Lesser Nighthawk | Chordeiles acutipennis | 52 images online, 11 offline |
| Lesser Noddy | Anous tenuirostris | 7 images online, 4 offline |
| Lesser Prairie-Chicken | Tympanuchus pallidicinctus | 148 images online, 20 offline |
| Lesser Racket-tailed Drongo | Dicrurus remifer | 1 images online, 5 offline |
| Lesser Rhea | Pterocnemia pennata | 10 images online, 7 offline |
| Lesser Roadrunner | Geococcyx velox | 5 images online, 7 offline |
| Lesser Sand-Plover | Charadrius mongolus | 22 images online, 9 offline |
| Lesser Scaup | Aythya affinis | 118 images online, 60 offline |
| Lesser Seed-Finch | Oryzoborus angolensis | 21 images online, 43 offline |
| Lesser Short-toed Lark | Calandrella rufescens | 1 images online, 3 offline |
| Lesser Spotted Eagle | Aquila pomarina | 2 images online, 3 offline |
| Lesser Spotted Woodpecker | Picoides minor | 6 images online, 7 offline |
| Lesser Striped Swallow | Hirundo abyssinica | 7 images online, 7 offline |
| Lesser Swallow-tailed Swift | Panyptila cayennensis | 2 images online, 3 offline |
| Lesser Wagtail-Tyrant | Stigmatura napensis | 1 images online, 6 offline |
| Lesser Whistling-Duck | Dendrocygna javanica | 5 images online, 5 offline |
| Lesser White-fronted Goose | Anser erythropus | 5 images online, 10 offline |
| Lesser Whitethroat | Sylvia curruca | 6 image online, 1 offline |
| Lesser Woodcreeper | Lepidocolaptes fuscus | 2 images online, 7 offline |
| Lesser Yellow-headed Vulture | Cathartes burrovianus | 12 images online, 11 offline |
| Lesser Yellowlegs | Tringa flavipes | 121 images online, 70 offline |
| Letter-winged Kite | Elanus scriptus | 5 images online, 3 offline |
| Lettered Aracari | Pteroglossus inscriptus | 1 images online, 3 offline |
| Levaillant's Cisticola | Cisticola tinniens | 6 images online, 2 offline |
| Lewin Honeyeater | Meliphaga lewinii | 5 images online, 11 offline |
| Lewis's Woodpecker | Melanerpes lewis | 22 images online, 22 offline |
| Lichtenstein's Sandgrouse | Pterocles lichtensteinii | 12 images online, 6 offline |
| Light-mantled Albatross | Phoebetria palpebrata | 72 images online, 39 offline |
| Light-vented Bulbul | Pycnonotus sinensis | 7 images online, 3 offline |
| Lilac-breasted Roller | Coracias caudata | 42 images online, 32 offline |
| Lilac-crowned Parrot | Amazona finschi | 14 image online, 1 offline |
| Limpkin | Aramus guarauna | 46 images online, 60 offline |
| Lincoln's Sparrow | Melospiza lincolnii | 56 images online, 31 offline |
| Line-cheeked Spinetail | Cranioleuca antisiensis | 3 image online, 1 offline |
| Line-fronted Canastero | Asthenes urubambensis | 1 images online, 2 offline |
| Lineated Barbet | Megalaima lineata | 1 images online, 2 offline |
| Lineated Foliage-gleaner | Syndactyla subalaris | 1 images online, 26 offline |
| Lineated Woodcreeper | Lepidocolaptes albolineatus | 1 image online, 1 offline |
| Lineated Woodpecker | Dryocopus lineatus | 15 images online, 13 offline |
| Lined Forest-Falcon | Micrastur gilvicollis | 6 images online, 12 offline |
| Lined Quail-Dove | Geotrygon linearis | 4 image online, 1 offline |
| Lined Seedeater | Sporophila lineola | 5 images online, 9 offline |
| Little Bee-eater | Merops pusillus | 16 images online, 32 offline |
| Little Bittern | Ixobrychus minutus | 16 images online, 4 offline |
| Little Black Cormorant | Phalacrocorax sulcirostris | 5 images online, 2 offline |
| Little Blue Heron | Egretta caerulea | 112 images online, 116 offline |
| Little Bunting | Emberiza pusilla | 7 images online, 2 offline |
| Little Corella | Cacatua sanguinea | 9 images online, 23 offline |
| Little Cormorant | Phalacrocorax niger | 10 images online, 4 offline |
| Little Crow | Corvus bennetti | 1 image online, 1 offline |
| Little Cuckoo | Piaya minuta | 6 images online, 14 offline |
| Little Cuckoo-Dove | Macropygia ruficeps | 1 image online, 1 offline |
| Little Curlew | Numenius minutus | 6 images online, 21 offline |
| Little Eagle | Hieraaetus morphnoides | 1 images online, 5 offline |
| Little Egret | Egretta garzetta | 46 images online, 33 offline |
| Little Falcon | Falco longipennis | 1 images online, 3 offline |
| Little Forktail | Enicurus scouleri | 3 image online, 1 offline |
| Little Friarbird | Philemon citreogularis | 3 images online, 10 offline |
| Little Grebe | Tachybaptus ruficollis | 25 images online, 12 offline |
| Little Greenbul | Andropadus virens | 4 images online, 4 offline |
| Little Ground-Tyrant | Muscisaxicola fluviatilis | 1 images online, 4 offline |
| Little Gull | Hydrocoloeus minutus | 41 images online, 4 offline |
| Little Hermit | Phaethornis longuemareus | 12 images online, 29 offline |
| Little Kingfisher | Alcedo pusilla | 7 images online, 17 offline |
| Little Nightjar | Caprimulgus parvulus | 6 images online, 12 offline |
| Little Owl | Athene noctua | 24 images online, 11 offline |
| Little Penguin | Eudyptula minor | 13 images online, 31 offline |
| Little Pied Cormorant | Phalacrocorax melanoleucos | 14 images online, 8 offline |
| Little Pied Flycatcher | Ficedula westermanni | 7 images online, 3 offline |
| Little Pratincole | Glareola lactea | 5 images online, 4 offline |
| Little Ringed Plover | Charadrius dubius | 15 images online, 61 offline |
| Little Shearwater | Puffinus assimilis | 4 images online, 4 offline |
| Little Spiderhunter | Arachnothera longirostra | 28 images online, 9 offline |
| Little Spotted Kiwi | Apteryx owenii | 1 image online, 1 offline |
| Little Stint | Calidris minuta | 35 images online, 11 offline |
| Little Swift | Apus affinis | 3 images online, 6 offline |
| Little Tern | Sterna albifrons | 18 images online, 12 offline |
| Little Thornbird | Phacellodomus sibilatrix | 2 image online, 1 offline |
| Little Tinamou | Crypturellus soui | 5 images online, 5 offline |
| Little Wattlebird | Anthochaera chrysoptera | 1 images online, 2 offline |
| Little Weaver | Ploceus luteolus | 1 images online, 5 offline |
| Little Woodpecker | Veniliornis passerinus | 3 images online, 14 offline |
| Livingstone's Turaco | Tauraco livingstonii | 1 images online, 2 offline |
| Lizard Buzzard | Kaupifalco monogrammicus | 3 images online, 5 offline |
| Loggerhead Kingbird | Tyrannus caudifasciatus | 18 images online, 12 offline |
| Loggerhead Shrike | Lanius ludovicianus | 59 images online, 39 offline |
| Long-billed Corella | Cacatua tenuirostris | 3 images online, 4 offline |
| Long-billed Curlew | Numenius americanus | 83 images online, 101 offline |
| Long-billed Dowitcher | Limnodromus scolopaceus | 108 images online, 40 offline |
| Long-billed Gnatwren | Ramphocaenus melanurus | 4 images online, 14 offline |
| Long-billed Honeyeater | Melilestes megarhynchus | 7 images online, 9 offline |
| Long-billed Pipit | Anthus similis | 6 images online, 9 offline |
| Long-billed Starthroat | Heliomaster longirostris | 5 images online, 16 offline |
| Long-billed Sunbird | Cinnyris lotenius | 6 image online, 1 offline |
| Long-billed Thrasher | Toxostoma longirostre | 24 images online, 11 offline |
| Long-billed Woodcreeper | Nasica longirostris | 3 images online, 3 offline |
| Long-crested Eagle | Lophaetus occipitalis | 16 images online, 9 offline |
| Long-crested Pygmy-Tyrant | Lophotriccus eulophotes | 1 image online, 1 offline |
| Long-eared Owl | Asio otus | 72 images online, 56 offline |
| Long-legged Buzzard | Buteo rufinus | 5 images online, 4 offline |
| Long-tailed Antbird | Drymophila caudata | 3 images online, 8 offline |
| Long-tailed Broadbill | Psarisomus dalhousiae | 2 image online, 1 offline |
| Long-tailed Cormorant | Phalacrocorax africanus | 18 images online, 10 offline |
| Long-tailed Duck | Clangula hyemalis | 171 images online, 34 offline |
| Long-tailed Finch | Poephila acuticauda | 2 images online, 3 offline |
| Long-tailed Fiscal | Lanius cabanisi | 10 images online, 8 offline |
| Long-tailed Ground Roller | Uratelornis chimaera | 2 image online, 1 offline |
| Long-tailed Ground-Dove | Uropelia campestris | 2 images online, 5 offline |
| Long-tailed Ground-Warbler | Bradypterus caudatus | 3 images online, 6 offline |
| Long-tailed Hermit | Phaethornis superciliosus | 17 images online, 57 offline |
| Long-tailed Jaeger | Stercorarius longicaudus | 70 images online, 37 offline |
| Long-tailed Manakin | Chiroxiphia linearis | 5 images online, 23 offline |
| Long-tailed Meadowlark | Sturnella loyca | 22 images online, 27 offline |
| Long-tailed Minivet | Pericrocotus ethologus | 2 images online, 6 offline |
| Long-tailed Mockingbird | Mimus longicaudatus | 2 images online, 6 offline |
| Long-tailed Nightjar | Scotornis climacurus | 1 images online, 3 offline |
| Long-tailed Parakeet | Psittacula longicauda | 2 images online, 5 offline |
| Long-tailed Potoo | Nyctibius aethereus | 8 images online, 11 offline |
| Long-tailed Reed-Finch | Donacospiza albifrons | 5 images online, 8 offline |
| Long-tailed Sabrewing | Campylopterus excellens | 2 image online, 1 offline |
| Long-tailed Shrike | Lanius schach | 4 images online, 10 offline |
| Long-tailed Silky-Flycatcher | Ptilogonys caudatus | 15 images online, 7 offline |
| Long-tailed Sylph | Aglaiocercus kingi | 33 images online, 47 offline |
| Long-tailed Tit | Aegithalos caudatus | 9 images online, 8 offline |
| Long-tailed Tyrant | Colonia colonus | 6 images online, 10 offline |
| Long-tailed Widowbird | Euplectes progne | 7 images online, 18 offline |
| Long-tailed Woodcreeper | Deconychura longicauda | 1 images online, 8 offline |
| Long-tailed Woodnymph | Thalurania watertonii | 1 images online, 9 offline |
| Long-toed Lapwing | Vanellus crassirostris | 7 images online, 6 offline |
| Long-toed Stint | Calidris subminuta | 18 images online, 10 offline |
| Long-tufted Screech-Owl | Megascops sanctaecatarinae | 2 images online, 3 offline |
| Long-whiskered Owlet | Xenoglaux loweryi | 2 images online, 5 offline |
| Long-winged Antwren | Myrmotherula longipennis | 9 images online, 16 offline |
| Long-winged Harrier | Circus buffoni | 1 images online, 3 offline |
| Louisiana Waterthrush | Seiurus motacilla | 17 images online, 15 offline |
| Loveridge's Sunbird | Cinnyris loveridgei | 4 image online, 1 offline |
| Lowland Mouse-Babbler | Crateroscelis murina | 5 images online, 12 offline |
| Lucifer Hummingbird | Calothorax lucifer | 33 images online, 21 offline |
| Lucy's Warbler | Vermivora luciae | 38 images online, 13 offline |
| Lunulated Antbird | Gymnopithys lunulata | 1 images online, 4 offline |
| Luzon Bleeding-heart Pigeon | Gallicolumba luzonica | 2 images online, 4 offline |
| Luzon Tailorbird | Orthotomus derbianus | 1 images online, 3 offline |
| Lyre-tailed Nightjar | Uropsalis lyra | 2 image online, 1 offline |
| Macaroni Penguin | Eudyptes chrysolophus | 22 images online, 46 offline |
| Maccoa Duck | Oxyura maccoa | 2 image online, 1 offline |
| MacGillivray's Warbler | Oporornis tolmiei | 41 images online, 22 offline |
| MacGregor's Bowerbird | Amblyornis macgregoriae | 8 images online, 36 offline |
| Mackinnon's Shrike | Lanius mackinnoni | 1 images online, 2 offline |
| Macleay's Honeyeater | Xanthotis macleayana | 1 images online, 3 offline |
| Macquarie Shag | Phalacrocorax purpurascens | 1 images online, 2 offline |
| Madagascar Bee-eater | Merops superciliosus | 4 images online, 4 offline |
| Madagascar Bulbul | Hypsipetes madagascariensis | 5 images online, 12 offline |
| Madagascar Button-Quail | Turnix nigricollis | 1 image online, 1 offline |
| Madagascar Egret | Egretta dimorpha | 16 images online, 22 offline |
| Madagascar Fish-Eagle | Haliaeetus vociferoides | 1 image online, 1 offline |
| Madagascar Fody | Foudia madagascariensis | 4 image online, 1 offline |
| Madagascar Ibis | Lophotibis cristata | 1 images online, 3 offline |
| Madagascar Kestrel | Falco newtoni | 6 images online, 3 offline |
| Madagascar Magpie Robin | Copsychus albospecularis | 3 images online, 2 offline |
| Madagascar Nightjar | Caprimulgus madagascariensis | 9 images online, 4 offline |
| Madagascar Paradise Flycatcher | Terpsiphone mutata | 7 images online, 8 offline |
| Madagascar Pygmy Kingfisher | Ispidina madagascariensis | 2 images online, 5 offline |
| Madagascar Sunbird | Cinnyris notata | 1 images online, 6 offline |
| Madagascar Turtle-Dove | Streptopelia picturata | 5 images online, 3 offline |
| Madagascar White-eye | Zosterops maderaspatana | 2 image online, 1 offline |
| Magellanic Oystercatcher | Haematopus leucopodus | 13 images online, 37 offline |
| Magellanic Penguin | Spheniscus magellanicus | 68 images online, 167 offline |
| Magellanic Plover | Pluvianellus socialis | 9 images online, 8 offline |
| Magellanic Woodpecker | Campephilus magellanicus | 15 images online, 8 offline |
| Magenta-throated Woodstar | Calliphlox bryantae | 5 images online, 4 offline |
| Magnificent Bird of Paradise | Diphyllodes magnificus | 9 images online, 35 offline |
| Magnificent Frigatebird | Fregata magnificens | 104 images online, 64 offline |
| Magnificent Hummingbird | Eugenes fulgens | 62 images online, 60 offline |
| Magnificent Riflebird | Ptiloris magnificus | 7 images online, 26 offline |
| Magnolia Warbler | Dendroica magnolia | 88 images online, 86 offline |
| Magpie Goose | Anseranas semipalmata | 4 images online, 8 offline |
| Magpie Shrike | Corvinella melanoleuca | 4 images online, 7 offline |
| Magpie Starling | Speculipastor bicolor | 1 image online, 1 offline |
| Magpie Tanager | Cissopis leveriana | 12 images online, 12 offline |
| Magpie-Lark | Grallina cyanoleuca | 6 images online, 31 offline |
| Maguari Stork | Ciconia maguari | 7 images online, 47 offline |
| Major Mitchell's Cockatoo | Cacatua leadbeateri | 7 images online, 4 offline |
| Malachite Kingfisher | Alcedo cristata | 9 images online, 14 offline |
| Malachite Sunbird | Nectarinia famosa | 11 images online, 6 offline |
| Malagasy Pond-Heron | Ardeola idae | 3 images online, 5 offline |
| Malay Jay | Platylophus galericulatus | 1 images online, 5 offline |
| Malay Peacock-Pheasant | Polyplectron malacense | 1 images online, 9 offline |
| Malay Plover | Charadrius peronii | 1 images online, 2 offline |
| Malaysian Black Hornbill | Anthracoceros malayanus | 1 image online, 1 offline |
| Mallard | Anas platyrhynchos | 268 images online, 152 offline |
| Mallee Fowl | Leipoa ocellata | 29 images online, 9 offline |
| Mallee Ringneck Parrot | Barnardius barnardi | 6 image online, 1 offline |
| Mandarin Duck | Aix galericulata | 24 images online, 16 offline |
| Maned Duck | Chenonetta jubata | 2 images online, 10 offline |
| Mangrove Blue-Flycatcher | Cyornis rufigastra | 5 images online, 3 offline |
| Mangrove Cuckoo | Coccyzus minor | 7 images online, 19 offline |
| Mangrove Hummingbird | Amazilia boucardi | 3 image online, 1 offline |
| Mangrove Kingfisher | Halcyon senegaloides | 1 image online, 1 offline |
| Mangrove Swallow | Tachycineta albilinea | 6 images online, 4 offline |
| Mangrove Vireo | Vireo pallens | 8 images online, 4 offline |
| Manu Antbird | Cercomacra manu | 2 images online, 2 offline |
| Manx Shearwater | Puffinus puffinus | 11 images online, 8 offline |
| Many-banded Aracari | Pteroglossus pluricinctus | 7 images online, 2 offline |
| Many-colored Chaco-Finch | Saltatricula multicolor | 4 images online, 8 offline |
| Many-colored Rush-Tyrant | Tachuris rubrigastra | 3 images online, 8 offline |
| Many-spotted Hummingbird | Taphrospilus hypostictus | 7 images online, 2 offline |
| Many-striped Canastero | Asthenes flammulata | 7 image online, 1 offline |
| Marabou Stork | Leptoptilos crumeniferus | 48 images online, 259 offline |
| Marbled Frogmouth | Podargus ocellatus | 3 images online, 5 offline |
| Marbled Godwit | Limosa fedoa | 141 images online, 142 offline |
| Marbled Murrelet | Brachyramphus marmoratus | 33 images online, 7 offline |
| Marbled Teal | Marmaronetta angustirostris | 2 images online, 3 offline |
| Marbled Wood-Quail | Odontophorus gujanensis | 4 image online, 1 offline |
| Marbled-faced Bristle-Tyrant | Phylloscartes ophthalmicus | 2 images online, 12 offline |
| Margaret's Hermit | Phaethornis margarettae | 1 images online, 7 offline |
| Marico Flycatcher | Bradornis mariquensis | 4 images online, 2 offline |
| Marico Sunbird | Cinnyris mariquensis | 8 images online, 5 offline |
| Markham's Storm-Petrel | Oceanodroma markhami | 3 images online, 2 offline |
| Maroon Woodpecker | Blythipicus rubiginosus | 3 images online, 3 offline |
| Maroon-bellied Conure | Pyrrhura frontalis | 3 images online, 10 offline |
| Maroon-fronted Parrot | Rhynchopsitta terrisi | 1 images online, 11 offline |
| Maroon-tailed Conure | Pyrrhura melanura | 4 images online, 9 offline |
| Marsh Owl | Asio capensis | 9 image online, 1 offline |
| Marsh Sandpiper | Tringa stagnatilis | 19 images online, 12 offline |
| Marsh Tit | Parus palustris | 2 images online, 4 offline |
| Marsh Widowbird | Euplectes hartlaubi | 1 image online, 1 offline |
| Marsh Wren | Cistothorus palustris | 67 images online, 26 offline |
| Martial Eagle | Polemaetus bellicosus | 32 images online, 29 offline |
| Martinique Oriole | Icterus bonana | 2 images online, 5 offline |
| Marvelous Spatuletail | Loddigesia mirabilis | 8 images online, 67 offline |
| Masked Booby | Sula dactylatra | 79 images online, 66 offline |
| Masked Crimson Tanager | Ramphocelus nigrogularis | 6 images online, 12 offline |
| Masked Duck | Nomonyx dominicus | 14 images online, 10 offline |
| Masked Finch | Poephila personata | 1 images online, 3 offline |
| Masked Flowerpiercer | Diglossa cyanea | 20 images online, 37 offline |
| Masked Gnatcatcher | Polioptila dumicola | 6 images online, 11 offline |
| Masked Lapwing | Vanellus miles | 14 images online, 28 offline |
| Masked Mountain-Tanager | Buthraupis wetmorei | 1 images online, 2 offline |
| Masked Shining Parrot | Prosopeia personata | 3 image online, 1 offline |
| Masked Tanager | Tangara nigrocincta | 4 images online, 4 offline |
| Masked Tityra | Tityra semifasciata | 28 images online, 22 offline |
| Masked Trogon | Trogon personatus | 23 images online, 10 offline |
| Masked Water-Tyrant | Fluvicola nengeta | 4 images online, 22 offline |
| Masked Yellowthroat | Geothlypis aequinoctialis | 7 images online, 23 offline |
| Mato Grosso Antbird | Cercomacra melanaria | 3 images online, 9 offline |
| Maui Parrotbill | Pseudonestor xanthophrys | 1 image online, 1 offline |
| Mauritius Blue-Pigeon | Alectroenas nitidissima | 1 image online, 1 offline |
| Mauritius Kestrel | Falco punctatus | 1 image online, 1 offline |
| Mauritius Parakeet | Psittacula echo | 3 image online, 1 offline |
| McConnell's Flycatcher | Mionectes macconnelli | 4 images online, 12 offline |
| McConnell's Spinetail | Synallaxis macconnelli | 1 images online, 6 offline |
| McCown's Longspur | Calcarius mccownii | 48 images online, 9 offline |
| McKay's Bunting | Plectrophenax hyperboreus | 6 images online, 6 offline |
| Meadow Bunting | Emberiza cioides | 1 images online, 6 offline |
| Meadow Pipit | Anthus pratensis | 14 images online, 6 offline |
| Mealy Parrot | Amazona farinosa | 17 images online, 11 offline |
| Mediterranean Gull | Larus melanocephalus | 17 images online, 7 offline |
| Medium Ground-Finch | Geospiza fortis | 40 images online, 17 offline |
| Meek's Pygmy Parrot | Micropsitta meeki | 1 images online, 5 offline |
| Meller's Duck | Anas melleri | 1 images online, 2 offline |
| Melodious Blackbird | Dives dives | 4 image online, 1 offline |
| Melodious Warbler | Hippolais polyglotta | 2 image online, 1 offline |
| Menetries Warbler | Sylvia mystacea | 2 image online, 1 offline |
| Merlin | Falco columbarius | 95 images online, 75 offline |
| Metallic-green Tanager | Tangara labradorides | 4 images online, 8 offline |
| Mew Gull | Larus canus | 171 images online, 67 offline |
| Mexican Chickadee | Poecile sclateri | 7 images online, 3 offline |
| Mexican Jay | Aphelocoma ultramarina | 40 images online, 19 offline |
| Mexican Parrotlet | Forpus cyanopygius | 3 images online, 3 offline |
| Mexican Whip-poor-will | Caprimulgus arizonae | 10 images online, 3 offline |
| Mexican Woodnymph | Thalurania ridgwayi | 1 images online, 3 offline |
| Meyer's Parrot | Poicephalus meyeri | 2 images online, 5 offline |
| Micronesian Kingfisher | Todirhamphus cinnamominus | 3 images online, 7 offline |
| Mid-mountain Eupetes | Ptilorrhoa castanonota | 1 images online, 2 offline |
| Mid-mountain Mouse-Babbler | Crateroscelis nigrorufa | 1 images online, 5 offline |
| Middendorff's Grasshopper-Warbler | Locustella ochotensis | 2 images online, 4 offline |
| Middle-American Screech-Owl | Megascops guatemalae | 6 images online, 11 offline |
| Mikado Pheasant | Syrmaticus mikado | 1 images online, 2 offline |
| Military Macaw | Ara militaris | 18 images online, 5 offline |
| Mimic-Thrush sp. | Mimid sp. | 1 images online, 4 offline |
| Mindanao Scops-Owl | Otus mirus | 8 images online, 10 offline |
| Minute Hermit | Phaethornis idaliae | 1 images online, 23 offline |
| Mississippi Kite | Ictinia mississippiensis | 65 images online, 33 offline |
| Mistle Thrush | Turdus viscivorus | 17 images online, 7 offline |
| Mitred Parakeet | Aratinga mitrata | 6 images online, 4 offline |
| Modest Honeyeater | Ramsayornis modestus | 3 images online, 11 offline |
| Moluccan Crow | Corvus validus | 1 image online, 1 offline |
| Moluccan Mannikin | Lonchura molucca | 1 images online, 2 offline |
| Moluccan Starling | Aplonis mysolensis | 1 images online, 2 offline |
| Moluccan Triller | Lalage aurea | 1 image online, 1 offline |
| Mongolian Lark | Melanocorypha mongolica | 1 image online, 1 offline |
| Monk Parakeet | Myiopsitta monachus | 55 images online, 17 offline |
| Montagu's Harrier | Circus pygargus | 11 images online, 9 offline |
| Montane Foliage-gleaner | Anabacerthia striaticollis | 5 images online, 10 offline |
| Montane White-eye | Zosterops poliogastra | 4 images online, 5 offline |
| Montezuma Oropendola | Psarocolius montezuma | 14 images online, 4 offline |
| Montezuma Quail | Cyrtonyx montezumae | 42 images online, 33 offline |
| Moriche Oriole | Icterus chrysocephalus | 4 images online, 3 offline |
| Moss-backed Tanager | Bangsia edwardsi | 8 images online, 8 offline |
| Mottle-cheeked Tyrannulet | Phylloscartes ventralis | 2 images online, 11 offline |
| Mottled Duck | Anas fulvigula | 43 images online, 22 offline |
| Mottled Munia | Lonchura hunsteini | 1 images online, 3 offline |
| Mottled Owl | Ciccaba virgata | 23 images online, 11 offline |
| Mottled Petrel | Pterodroma inexpectata | 12 images online, 3 offline |
| Mottled Piculet | Picumnus nebulosus | 1 images online, 5 offline |
| Mottled Whistler | Rhagologus leucostigma | 4 images online, 16 offline |
| Mount Apo Sunbird | Aethopyga boltoni | 3 images online, 11 offline |
| Mountain Bluebird | Sialia currucoides | 68 images online, 61 offline |
| Mountain Bulbul | Hypsipetes mcclellandii | 5 images online, 4 offline |
| Mountain Buzzard | Buteo oreophilus | 1 images online, 4 offline |
| Mountain Caracara | Phalcoboenus megalopterus | 2 images online, 15 offline |
| Mountain Chickadee | Poecile gambeli | 45 images online, 16 offline |
| Mountain Elaenia | Elaenia frantzii | 2 images online, 16 offline |
| Mountain Hawk-Eagle | Spizaetus nipalensis | 4 images online, 2 offline |
| Mountain Imperial-Pigeon | Ducula badia | 3 images online, 2 offline |
| Mountain Kingfisher | Syma megarhyncha | 1 images online, 20 offline |
| Mountain Leaf-Warbler | Phylloscopus trivirgatus | 8 images online, 22 offline |
| Mountain Mouse-Babbler | Crateroscelis robusta | 2 images online, 21 offline |
| Mountain Myzomela | Myzomela adolphinae | 3 images online, 2 offline |
| Mountain Plover | Charadrius montanus | 37 images online, 38 offline |
| Mountain Quail | Oreortyx pictus | 9 images online, 16 offline |
| Mountain Robin-Chat | Cossypha isabellae | 1 images online, 5 offline |
| Mountain Tailorbird | Orthotomus cucullatus | 3 images online, 8 offline |
| Mountain Velvetbreast | Lafresnaya lafresnayi | 12 images online, 31 offline |
| Mountain Wagtail | Motacilla clara | 7 images online, 3 offline |
| Mountain White-eye | Zosterops montana | 2 images online, 10 offline |
| Mountain Wren | Troglodytes solstitialis | 1 images online, 4 offline |
| Mourning Dove | Zenaida macroura | 96 images online, 104 offline |
| Mourning Sierra-Finch | Phrygilus fruticeti | 10 images online, 13 offline |
| Mourning Warbler | Oporornis philadelphia | 63 images online, 41 offline |
| Mourning Wheatear | Oenanthe lugens | 3 images online, 6 offline |
| Mouse-colored Antshrike | Thamnophilus murinus | 3 images online, 17 offline |
| Mouse-colored Thistletail | Schizoeaca griseomurina | 1 images online, 3 offline |
| Mouse-colored Tyrannulet | Phaeomyias murina | 3 images online, 18 offline |
| Moussier's Redstart | Phoenicurus moussieri | 3 images online, 4 offline |
| Moustached Babbler | Malacopteron magnirostre | 5 images online, 4 offline |
| Moustached Flowerpiercer | Diglossa mystacalis | 1 images online, 7 offline |
| Moustached Hawk-Cuckoo | Cuculus vagans | 2 image online, 1 offline |
| Moustached Parakeet | Psittacula alexandri | 8 images online, 3 offline |
| Moustached Puffbird | Malacoptila mystacalis | 2 images online, 5 offline |
| Moustached Wren | Thryothorus genibarbis | 3 images online, 16 offline |
| Mugimaki Flycatcher | Ficedula mugimaki | 2 images online, 7 offline |
| Mulga Parrot | Psephotus varius | 2 image online, 1 offline |
| Muller's Imperial-Pigeon | Ducula mullerii | 4 image online, 1 offline |
| Multicolored Tanager | Chlorochrysa nitidissima | 8 images online, 8 offline |
| Murphy's Petrel | Pterodroma ultima | 2 images online, 9 offline |
| Muscovy Duck | Cairina moschata | 29 images online, 17 offline |
| Musician Wren | Cyphorhinus aradus | 5 images online, 13 offline |
| Musk Duck | Biziura lobata | 1 images online, 5 offline |
| Musk Lorikeet | Glossopsitta concinna | 2 images online, 2 offline |
| Musschenbroek's Lorikeet | Neopsittacus musschenbroekii | 4 images online, 11 offline |
| Mute Swan | Cygnus olor | 104 images online, 94 offline |
| Nacunda Nighthawk | Podager nacunda | 2 images online, 12 offline |
| Namaqua Dove | Oena capensis | 13 images online, 11 offline |
| Namaqua Sandgrouse | Pterocles namaqua | 10 images online, 13 offline |
| Nankeen Kestrel | Falco cenchroides | 3 images online, 27 offline |
| Napo Sabrewing | Campylopterus villaviscensio | 12 images online, 13 offline |
| Narcissus Flycatcher | Ficedula narcissina | 8 images online, 5 offline |
| Narrow-billed Tody | Todus angustirostris | 4 images online, 11 offline |
| Narrow-billed Woodcreeper | Lepidocolaptes angustirostris | 8 images online, 14 offline |
| Nashville Warbler | Vermivora ruficapilla | 66 images online, 52 offline |
| Nazca Booby | Sula granti | 105 images online, 33 offline |
| Necklaced Spinetail | Synallaxis stictothorax | 1 images online, 8 offline |
| Nelson's Sharp-tailed Sparrow | Ammodramus nelsoni | 39 images online, 11 offline |
| Nene | Branta sandvicensis | 22 images online, 23 offline |
| Neotropic Cormorant | Phalacrocorax brasilianus | 45 images online, 35 offline |
| Nepal Fulvetta | Alcippe nipalensis | 1 images online, 2 offline |
| Nepal Sunbird | Aethopyga nipalensis | 5 images online, 3 offline |
| New Britain Mannikin | Lonchura spectabilis | 1 images online, 8 offline |
| New Guinea Babbler | Pomatostomus isidorei | 1 images online, 2 offline |
| New Guinea Eagle | Harpyopsis novaeguineae | 1 images online, 4 offline |
| New Guinea Mountain White-eye | Zosterops novaeguineae | 2 images online, 8 offline |
| New Guinea Pipit | Anthus gutturalis | 2 images online, 8 offline |
| New Zealand Bellbird | Anthornis melanura | 6 images online, 4 offline |
| New Zealand Brown Creeper | Mohoua novaeseelandiae | 1 images online, 2 offline |
| New Zealand Falcon | Falco novaeseelandiae | 6 image online, 1 offline |
| New Zealand Gerygone | Gerygone igata | 2 image online, 1 offline |
| New Zealand Grebe | Poliocephalus rufopectus | 4 images online, 6 offline |
| New Zealand Pigeon | Hemiphaga novaeseelandiae | 10 images online, 16 offline |
| New Zealand Robin | Petroica australis | 5 images online, 7 offline |
| New Zealand Scaup | Aythya novaseelandiae | 8 images online, 10 offline |
| Nicaraguan Seed-Finch | Oryzoborus nuttingi | 1 image online, 1 offline |
| Niceforo's Wren | Thryothorus nicefori | 1 images online, 3 offline |
| Nicobar Pigeon | Caloenas nicobarica | 7 images online, 2 offline |
| Nightingale Wren | Microcerculus philomela | 1 image online, 1 offline |
| Nihoa Millerbird | Acrocephalus kingii | 1 images online, 4 offline |
| Noble Antthrush | Chamaeza nobilis | 1 images online, 2 offline |
| Nocturnal Curassow | Nothocrax urumutum | 4 images online, 4 offline |
| Noguchi's Woodpecker | Sapheopipo noguchii | 1 images online, 3 offline |
| Noisy Miner | Manorina melanocephala | 3 images online, 4 offline |
| Noisy Pitta | Pitta versicolor | 1 images online, 2 offline |
| Northern Anteater Chat | Myrmecocichla aethiops | 3 images online, 5 offline |
| Northern Bald Ibis | Geronticus eremita | 24 images online, 19 offline |
| Northern Barred-Woodcreeper | Dendrocolaptes sanctithomae | 8 images online, 12 offline |
| Northern Beardless-Tyrannulet | Camptostoma imberbe | 27 images online, 21 offline |
| Northern Bentbill | Oncostoma cinereigulare | 4 images online, 7 offline |
| Northern Black Flycatcher | Melaenornis edolioides | 3 images online, 4 offline |
| Northern Bobwhite | Colinus virginianus | 64 images online, 41 offline |
| Northern Brown-throated Weaver | Ploceus castanops | 2 image online, 1 offline |
| Northern Brownbul | Phyllastrephus strepitans | 3 images online, 2 offline |
| Northern Cardinal | Cardinalis cardinalis | 180 images online, 161 offline |
| Northern Cassowary | Casuarius unappendiculatus | 2 image online, 1 offline |
| Northern Double-collared Sunbird | Cinnyris reichenowi | 5 images online, 8 offline |
| Northern Eagle-Owl | Bubo bubo | 17 images online, 11 offline |
| Northern Flicker | Colaptes auratus | 107 images online, 134 offline |
| Northern Fulmar | Fulmarus glacialis | 97 images online, 71 offline |
| Northern Gannet | Morus bassanus | 99 images online, 80 offline |
| Northern Giant-Petrel | Macronectes halli | 37 images online, 33 offline |
| Northern Goshawk | Accipiter gentilis | 54 images online, 51 offline |
| Northern Harrier | Circus cyaneus | 171 images online, 114 offline |
| Northern Hawk Owl | Surnia ulula | 65 images online, 31 offline |
| Northern Jacana | Jacana spinosa | 15 images online, 10 offline |
| Northern Lapwing | Vanellus vanellus | 20 images online, 33 offline |
| Northern Masked Weaver | Ploceus taeniopterus | 5 images online, 13 offline |
| Northern Mockingbird | Mimus polyglottos | 81 images online, 111 offline |
| Northern Parula | Parula americana | 85 images online, 51 offline |
| Northern Pied-Babbler | Turdoides hypoleucus | 2 images online, 2 offline |
| Northern Pintail | Anas acuta | 139 images online, 56 offline |
| Northern Potoo | Nyctibius jamaicensis | 17 images online, 21 offline |
| Northern Pygmy-Owl | Glaucidium gnoma | 31 images online, 19 offline |
| Northern Rosella | Platycercus venustus | 1 image online, 1 offline |
| Northern Rough-winged Swallow | Stelgidopteryx serripennis | 62 images online, 14 offline |
| Northern Royal Flycatcher | Onychorhynchus mexicanus | 4 images online, 14 offline |
| Northern Saw-whet Owl | Aegolius acadicus | 53 images online, 70 offline |
| Northern Screamer | Chauna chavaria | 4 images online, 2 offline |
| Northern Scrub-Flycatcher | Sublegatus arenarum | 3 images online, 4 offline |
| Northern Shoveler | Anas clypeata | 158 images online, 60 offline |
| Northern Shrike | Lanius excubitor | 35 images online, 9 offline |
| Northern Waterthrush | Seiurus noveboracensis | 53 images online, 50 offline |
| Northern Wheatear | Oenanthe oenanthe | 46 images online, 23 offline |
| Northern White-crowned Shrike | Eurocephalus rueppelli | 8 images online, 6 offline |
| Northwestern Crow | Corvus caurinus | 36 images online, 10 offline |
| Nubian Woodpecker | Campethera nubica | 5 images online, 8 offline |
| Nutmeg Mannikin | Lonchura punctulata | 18 images online, 3 offline |
| Nuttall's Woodpecker | Picoides nuttallii | 16 images online, 34 offline |
| Nutting's Flycatcher | Myiarchus nuttingi | 8 images online, 4 offline |
| Oahu Amakihi | Hemignathus flavus | 6 image online, 1 offline |
| Oak Titmouse | Baeolophus inornatus | 18 images online, 9 offline |
| Oasis Hummingbird | Rhodopis vesper | 1 images online, 6 offline |
| Oaxaca Sparrow | Aimophila notosticta | 1 images online, 3 offline |
| Ocellated Antbird | Phaenostictus mcleannani | 30 images online, 13 offline |
| Ocellated Crake | Micropygia schomburgkii | 2 image online, 1 offline |
| Ocellated Piculet | Picumnus dorbignyanus | 1 image online, 1 offline |
| Ocellated Poorwill | Nyctiphrynus ocellatus | 2 images online, 9 offline |
| Ocellated Tapaculo | Acropternis orthonyx | 10 images online, 7 offline |
| Ocellated Turkey | Meleagris ocellata | 20 images online, 9 offline |
| Ocellated Woodcreeper | Xiphorhynchus ocellatus | 3 images online, 17 offline |
| Ochraceous Bulbul | Criniger ochraceus | 13 image online, 1 offline |
| Ochraceous Pewee | Contopus ochraceus | 2 image online, 1 offline |
| Ochraceous Wren | Troglodytes ochraceus | 1 images online, 3 offline |
| Ochraceous-breasted Flycatcher | Myiophobus ochraceiventris | 1 images online, 3 offline |
| Ochre-bellied Flycatcher | Mionectes oleagineus | 16 images online, 48 offline |
| Ochre-breasted Antpitta | Grallaricula flavirostris | 5 images online, 33 offline |
| Ochre-breasted Brush-Finch | Atlapetes semirufus | 1 images online, 3 offline |
| Ochre-breasted Foliage-gleaner | Philydor lichtensteini | 1 image online, 1 offline |
| Ochre-breasted Spinetail | Synallaxis albilora | 1 images online, 11 offline |
| Ochre-breasted Tanager | Chlorothraupis stolzmanni | 11 images online, 12 offline |
| Ochre-collared Piculet | Picumnus temminckii | 2 images online, 4 offline |
| Ochre-faced Tody-Flycatcher | Poecilotriccus plumbeiceps | 8 images online, 6 offline |
| Ochre-flanked Tapaculo | Eugralla paradoxa | 1 images online, 4 offline |
| Ochre-fronted Antpitta | Grallaricula ochraceifrons | 1 image online, 1 offline |
| Ochre-rumped Antbird | Drymophila ochropyga | 2 images online, 2 offline |
| Oilbird | Steatornis caripensis | 6 images online, 20 offline |
| Oleaginous Hemispingus | Hemispingus frontalis | 2 images online, 4 offline |
| Olivaceous Elaenia | Elaenia mesoleuca | 2 images online, 5 offline |
| Olivaceous Flatbill | Rhynchocyclus olivaceus | 4 images online, 23 offline |
| Olivaceous Piculet | Picumnus olivaceus | 4 images online, 12 offline |
| Olivaceous Piha | Lipaugus cryptolophus | 5 images online, 10 offline |
| Olivaceous Warbler | Hippolais pallida | 3 images online, 4 offline |
| Olivaceous Woodcreeper | Sittasomus griseicapillus | 2 images online, 16 offline |
| Olive Finch | Lysurus castaneiceps | 1 images online, 10 offline |
| Olive Mountain Greenbul | Phyllastrephus placidus | 1 image online, 1 offline |
| Olive Sparrow | Arremonops rufivirgatus | 31 images online, 18 offline |
| Olive Spinetail | Cranioleuca obsoleta | 2 images online, 3 offline |
| Olive Tanager | Chlorothraupis carmioli | 4 images online, 3 offline |
| Olive Thrush | Turdus olivaceus | 5 image online, 1 offline |
| Olive Warbler | Peucedramus taeniatus | 18 images online, 8 offline |
| Olive-backed Euphonia | Euphonia gouldi | 9 images online, 14 offline |
| Olive-backed Foliage-gleaner | Automolus infuscatus | 6 images online, 16 offline |
| Olive-backed Pipit | Anthus hodgsoni | 11 images online, 14 offline |
| Olive-backed Quail-Dove | Geotrygon veraguensis | 2 images online, 6 offline |
| Olive-backed Sunbird | Cinnyris jugularis | 3 images online, 14 offline |
| Olive-backed Woodcreeper | Xiphorhynchus triangularis | 3 images online, 15 offline |
| Olive-bellied Sunbird | Cinnyris chloropygius | 1 images online, 7 offline |
| Olive-brown Oriole | Oriolus melanotis | 1 image online, 1 offline |
| Olive-capped Warbler | Dendroica pityophila | 6 images online, 12 offline |
| Olive-chested Flycatcher | Myiophobus cryptoxanthus | 6 images online, 5 offline |
| Olive-crowned Crescentchest | Melanopareia maximiliani | 1 images online, 2 offline |
| Olive-crowned Flowerpecker | Dicaeum pectorale | 1 images online, 3 offline |
| Olive-crowned Yellowthroat | Geothlypis semiflava | 13 images online, 13 offline |
| Olive-green Tanager | Orthogonys chloricterus | 2 image online, 1 offline |
| Olive-headed Brush-Finch | Atlapetes flaviceps | 2 images online, 10 offline |
| Olive-sided Flycatcher | Contopus cooperi | 18 images online, 16 offline |
| Olive-spotted Hummingbrd | Leucippus chlorocercus | 1 images online, 5 offline |
| Olive-striped Flycatcher | Mionectes olivaceus | 12 images online, 28 offline |
| Olive-throated Parakeet | Aratinga nana | 1 images online, 3 offline |
| Olive-winged Bulbul | Pycnonotus plumosus | 15 images online, 3 offline |
| Olrog's Gull | Larus atlanticus | 3 images online, 2 offline |
| Omao | Myadestes obscurus | 2 images online, 2 offline |
| One-colored Becard | Pachyramphus homochrous | 13 images online, 14 offline |
| Opal-crowned Tanager | Tangara callophrys | 2 images online, 4 offline |
| Opal-rumped Tanager | Tangara velia | 2 images online, 22 offline |
| Orange Bishop | Euplectes franciscanus | 14 images online, 4 offline |
| Orange-bellied Euphonia | Euphonia xanthogaster | 43 images online, 55 offline |
| Orange-bellied Flowerpecker | Dicaeum trigonostigma | 7 images online, 8 offline |
| Orange-bellied Fruit-Dove | Ptilinopus iozonus | 2 images online, 2 offline |
| Orange-bellied Leafbird | Chloropsis hardwickei | 3 images online, 9 offline |
| Orange-bellied Manakin | Pipra suavissima | 6 images online, 4 offline |
| Orange-bellied Parrot | Neophema chrysogaster | 1 images online, 5 offline |
| Orange-bellied Trogon | Trogon aurantiiventris | 2 images online, 3 offline |
| Orange-billed Nightingale-Thrush | Catharus aurantiirostris | 10 images online, 15 offline |
| Orange-billed Sparrow | Arremon aurantiirostris | 17 images online, 41 offline |
| Orange-breasted Bunting | Passerina leclancherii | 15 images online, 2 offline |
| Orange-breasted Bushshrike | Chlorophoneus sulfureopectus | 8 images online, 2 offline |
| Orange-breasted Falcon | Falco deiroleucus | 1 images online, 10 offline |
| Orange-breasted Fig Parrot | Opopsitta gulielmitertii | 1 image online, 1 offline |
| Orange-breasted Fruiteater | Pipreola jucunda | 5 images online, 6 offline |
| Orange-breasted Sunbird | Anthobaphes violacea | 4 images online, 2 offline |
| Orange-browed Hemispingus | Hemispingus calophrys | 1 image online, 1 offline |
| Orange-cheeked Parrot | Pionopsitta barrabandi | 7 images online, 10 offline |
| Orange-cheeked Waxbill | Estrilda melpoda | 4 images online, 17 offline |
| Orange-chinned Parakeet | Brotogeris jugularis | 9 images online, 5 offline |
| Orange-collared Manakin | Manacus aurantiacus | 1 images online, 3 offline |
| Orange-crested Flycatcher | Myiophobus phoenicomitra | 3 images online, 7 offline |
| Orange-crowned Manakin | Heterocercus aurantiivertex | 1 images online, 3 offline |
| Orange-crowned Warbler | Vermivora celata | 64 images online, 33 offline |
| Orange-eared Tanager | Chlorochrysa calliparaea | 2 images online, 8 offline |
| Orange-fronted Barbet | Capito squamatus | 7 images online, 13 offline |
| Orange-fronted Fruit-Dove | Ptilinopus aurantiifrons | 1 image online, 1 offline |
| Orange-fronted Parakeet | Aratinga canicularis | 8 images online, 5 offline |
| Orange-fronted Yellow-Finch | Sicalis columbiana | 5 images online, 10 offline |
| Orange-headed Tanager | Thlypopsis sordida | 7 images online, 16 offline |
| Orange-headed Thrush | Zoothera citrina | 5 images online, 2 offline |
| Orange-throated Sunangel | Heliangelus mavors | 5 image online, 1 offline |
| Orange-tufted Sunbird | Cinnyris bouvieri | 3 image online, 1 offline |
| Orange-winged Parrot | Amazona amazonica | 10 images online, 3 offline |
| Orangequit | Euneornis campestris | 5 images online, 9 offline |
| Orchard Oriole | Icterus spurius | 70 images online, 51 offline |
| Oriental Cuckoo | Cuculus saturatus | 6 images online, 2 offline |
| Oriental Darter | Anhinga melanogaster | 16 images online, 11 offline |
| Oriental Greenfinch | Carduelis sinica | 4 images online, 5 offline |
| Oriental Honey-Buzzard | Pernis ptilorhynchus | 3 images online, 17 offline |
| Oriental Magpie Robin | Copsychus saularis | 10 images online, 11 offline |
| Oriental Pied Hornbill | Anthracoceros albirostris | 10 images online, 8 offline |
| Oriental Plover | Charadrius veredus | 3 images online, 6 offline |
| Oriental Pratincole | Glareola maldivarum | 12 images online, 4 offline |
| Oriental Reed-Warbler | Acrocephalus orientalis | 2 image online, 1 offline |
| Oriental Sky Lark | Alauda gulgula | 5 images online, 3 offline |
| Oriental Turtle-Dove | Streptopelia orientalis | 7 images online, 7 offline |
| Oriental White-eye | Zosterops palpebrosa | 9 images online, 2 offline |
| Orinocan Saltator | Saltator orenocensis | 5 images online, 3 offline |
| Orinoco Goose | Neochen jubata | 6 images online, 6 offline |
| Orinoco Piculet | Picumnus pumilus | 1 images online, 4 offline |
| Oriole Blackbird | Gymnomystax mexicanus | 5 images online, 5 offline |
| Oriole Finch | Linurgus olivaceus | 5 images online, 4 offline |
| Oriole Warbler | Hypergerus atriceps | 1 images online, 2 offline |
| Ornate Antwren | Myrmotherula ornata | 1 images online, 7 offline |
| Ornate Flycatcher | Myiotriccus ornatus | 11 images online, 17 offline |
| Ornate Hawk-Eagle | Spizaetus ornatus | 27 images online, 13 offline |
| Ornate Lory | Trichoglossus ornatus | 1 images online, 2 offline |
| Ortolan Bunting | Emberiza hortulana | 4 images online, 6 offline |
| Osprey | Pandion haliaetus | 212 images online, 319 offline |
| Ovambo Sparrowhawk | Accipiter ovampensis | 4 images online, 3 offline |
| Ovenbird | Seiurus aurocapilla | 57 images online, 62 offline |
| Ovenbird sp | Furnariid sp. | 2 images online, 8 offline |
| Owl sp. | Strigid sp. | 4 images online, 2 offline |
| Pacific Antwren | Myrmotherula pacifica | 9 image online, 1 offline |
| Pacific Black Duck | Anas superciliosa | 11 images online, 17 offline |
| Pacific Dove | Zenaida meloda | 5 images online, 5 offline |
| Pacific Elaenia | Myiopagis subplacens | 2 images online, 2 offline |
| Pacific Flatbill | Rhynchocyclus pacificus | 7 images online, 9 offline |
| Pacific Golden-Plover | Pluvialis fulva | 58 images online, 23 offline |
| Pacific Gull | Larus pacificus | 4 images online, 7 offline |
| Pacific Loon | Gavia pacifica | 77 images online, 24 offline |
| Pacific Parakeet | Aratinga strenua | 5 image online, 1 offline |
| Pacific Parrotlet | Forpus coelestis | 10 images online, 17 offline |
| Pacific Screech-Owl | Megascops cooperi | 6 images online, 11 offline |
| Pacific Swallow | Hirundo tahitica | 1 images online, 17 offline |
| Pacific Tuftedcheek | Pseudocolaptes johnsoni | 1 images online, 3 offline |
| Pacific Wren | Troglodytes pacificus | 9 images online, 10 offline |
| Pacific-slope Flycatcher | Empidonax difficilis | 20 images online, 8 offline |
| Painted Bunting | Passerina ciris | 98 images online, 138 offline |
| Painted Finch | Emblema picta | 2 images online, 5 offline |
| Painted Parakeet | Pyrrhura picta | 7 images online, 9 offline |
| Painted Parrot | Psittacella picta | 2 image online, 1 offline |
| Painted Partridge | Francolinus pictus | 1 image online, 1 offline |
| Painted Redstart | Myioborus pictus | 33 images online, 29 offline |
| Painted Stork | Mycteria leucocephala | 39 images online, 107 offline |
| Painted Tody-Flycatcher | Todirostrum pictum | 1 images online, 2 offline |
| Palawan Peacock-Pheasant | Polyplectron emphanum | 3 images online, 2 offline |
| Pale Chanting-Goshawk | Melierax canorus | 16 images online, 10 offline |
| Pale Crag Martin | Ptyonoprogne obsoleta | 1 image online, 1 offline |
| Pale Flycatcher | Bradornis pallidus | 8 image online, 1 offline |
| Pale Rock Bunting | Emberiza impetuani | 3 images online, 4 offline |
| Pale Thrush | Turdus pallidus | 1 images online, 4 offline |
| Pale Yellow Robin | Tregellasia capito | 2 image online, 1 offline |
| Pale-bellied Hermit | Phaethornis anthophilus | 1 images online, 6 offline |
| Pale-bellied Manakin | Neopelma pallescens | 1 images online, 6 offline |
| Pale-billed Woodpecker | Campephilus guatemalensis | 5 images online, 4 offline |
| Pale-breasted Illadopsis | Illadopsis rufipennis | 3 images online, 3 offline |
| Pale-breasted Spinetail | Synallaxis albescens | 4 images online, 21 offline |
| Pale-breasted Thrush | Turdus leucomelas | 8 images online, 14 offline |
| Pale-browed Treehunter | Cichlocolaptes leucophrus | 1 images online, 2 offline |
| Pale-crested Woodpecker | Celeus lugubris | 1 images online, 2 offline |
| Pale-edged Flycatcher | Myiarchus cephalotes | 4 image online, 1 offline |
| Pale-eyed Pygmy-Tyrant | Lophotriccus pilaris | 2 image online, 1 offline |
| Pale-eyed Thrush | Platycichla leucops | 4 images online, 5 offline |
| Pale-headed Jacamar | Brachygalba goeringi | 3 image online, 1 offline |
| Pale-legged Hornero | Furnarius leucopus | 6 images online, 28 offline |
| Pale-legged Leaf-Warbler | Phylloscopus tenellipes | 2 image online, 1 offline |
| Pale-legged Warbler | Basileuterus signatus | 1 images online, 2 offline |
| Pale-mandibled Aracari | Pteroglossus erythropygius | 11 images online, 2 offline |
| Pale-naped Brush-Finch | Atlapetes pallidinucha | 6 images online, 7 offline |
| Pale-tailed Barbthroat | Threnetes leucurus | 5 images online, 34 offline |
| Pale-tipped Tyrannulet | Inezia subflava | 4 images online, 7 offline |
| Pale-vented Pigeon | Patagioenas cayennensis | 7 images online, 2 offline |
| Pale-vented Thrush | Turdus obsoletus | 4 images online, 5 offline |
| Pale-winged Trumpeter | Psophia leucoptera | 2 images online, 6 offline |
| Palestine Sunbird | Cinnyris oseus | 6 images online, 4 offline |
| Palila | Loxioides bailleui | 7 images online, 9 offline |
| Pallas's Sandgrouse | Syrrhaptes paradoxus | 1 images online, 3 offline |
| Pallas's Sea-Eagle | Haliaeetus leucoryphus | 2 images online, 13 offline |
| Pallas's Warbler | Phylloscopus proregulus | 4 image online, 1 offline |
| Pallid Cuckoo | Cuculus pallidus | 1 image online, 1 offline |
| Pallid Dove | Leptotila pallida | 1 images online, 5 offline |
| Pallid Harrier | Circus macrourus | 11 images online, 4 offline |
| Palm Cockatoo | Probosciger aterrimus | 2 images online, 8 offline |
| Palm Crow | Corvus palmarum | 1 images online, 3 offline |
| Palm Tanager | Thraupis palmarum | 21 images online, 31 offline |
| Palm Warbler | Dendroica palmarum | 81 images online, 35 offline |
| Palm-nut Vulture | Gypohierax angolensis | 5 images online, 6 offline |
| Palmchat | Dulus dominicus | 10 images online, 7 offline |
| Paltry Tyrannulet | Zimmerius vilissimus | 4 images online, 8 offline |
| Pangani Longclaw | Macronyx aurantiigula | 2 images online, 6 offline |
| Papuan Cuckooshrike | Coracina papuensis | 1 image online, 1 offline |
| Papuan Frogmouth | Podargus papuensis | 14 images online, 38 offline |
| Papuan Hornbill | Aceros plicatus | 9 images online, 12 offline |
| Papuan Lory | Charmosyna papou | 1 images online, 12 offline |
| Papuan Microeca | Microeca papuana | 6 images online, 12 offline |
| Paradise Jacamar | Galbula dea | 2 images online, 5 offline |
| Paradise Riflebird | Ptiloris paradiseus | 6 image online, 1 offline |
| Paradise Shelduck | Tadorna variegata | 8 images online, 16 offline |
| Paradise Tanager | Tangara chilensis | 10 images online, 44 offline |
| Paradise Whydah | Vidua paradisaea | 4 image online, 1 offline |
| Parakeet Auklet | Aethia psittacula | 45 images online, 39 offline |
| Paramo Seedeater | Catamenia homochroa | 1 images online, 6 offline |
| Parasitic Jaeger | Stercorarius parasiticus | 72 images online, 27 offline |
| Pardusco | Nephelornis oneilli | 2 images online, 4 offline |
| Parker's Antbird | Cercomacra parkeri | 2 images online, 8 offline |
| Parkinson's Petrel | Procellaria parkinsoni | 3 images online, 10 offline |
| Parrot-billed Seedeater | Sporophila peruviana | 4 images online, 5 offline |
| Parrot-billed Sparrow | Passer gongonensis | 1 images online, 2 offline |
| Passenger Pigeon | Ectopistes migratorius | 8 images online, 4 offline |
| Passerini's Tanager | Ramphocelus passerinii | 11 images online, 20 offline |
| Patagonian Canastero | Asthenes patagonica | 1 images online, 6 offline |
| Patagonian Mockingbird | Mimus patagonicus | 8 images online, 7 offline |
| Patagonian Sierra-Finch | Phrygilus patagonicus | 3 images online, 3 offline |
| Patagonian Tinamou | Tinamotis ingoufi | 1 images online, 2 offline |
| Patagonian Yellow-Finch | Sicalis lebruni | 2 image online, 1 offline |
| Pavonine Quetzal | Pharomachrus pavoninus | 2 images online, 2 offline |
| Peaceful Dove | Geopelia placida | 3 images online, 3 offline |
| Peach-faced Lovebird | Agapornis roseicollis | 11 image online, 1 offline |
| Peach-fronted Parakeet | Aratinga aurea | 9 images online, 10 offline |
| Peale's Pigeon | Ducula latrans | 4 image online, 1 offline |
| Pearl Kite | Gampsonyx swainsonii | 5 images online, 10 offline |
| Pearl-spotted Owlet | Glaucidium perlatum | 7 images online, 11 offline |
| Pearled Treerunner | Margarornis squamiger | 21 images online, 11 offline |
| Pearly Antshrike | Megastictus margaritatus | 1 images online, 3 offline |
| Pearly-eyed Thrasher | Margarops fuscatus | 20 images online, 14 offline |
| Pearly-vented Tody-Tyrant | Hemitriccus margaritaceiventer | 11 images online, 14 offline |
| Pechora Pipit | Anthus gustavi | 9 images online, 7 offline |
| Pectoral Sandpiper | Calidris melanotos | 89 images online, 143 offline |
| Pectoral Sparrow | Arremon taciturnus | 8 images online, 19 offline |
| Pectoral-patch Cisticola | Cisticola brunnescens | 2 image online, 1 offline |
| Peg-billed Finch | Acanthidops bairdii | 1 images online, 2 offline |
| Pelagic Cormorant | Phalacrocorax pelagicus | 30 images online, 28 offline |
| Penduline Tit | Remiz pendulinus | 11 images online, 4 offline |
| Pere David's Snow Finch | Montifringilla davidiana | 1 images online, 2 offline |
| Pere David's Tit | Parus davidi | 1 images online, 4 offline |
| Peregrine Falcon | Falco peregrinus | 211 images online, 181 offline |
| Perfect Lorikeet | Trichoglossus euteles | 2 images online, 5 offline |
| Peruvian Antpitta | Grallaricula peruviana | 1 images online, 3 offline |
| Peruvian Booby | Sula variegata | 9 images online, 16 offline |
| Peruvian Diving-Petrel | Pelecanoides garnotii | 1 image online, 1 offline |
| Peruvian Meadowlark | Sturnella bellicosa | 1 images online, 2 offline |
| Peruvian Pelican | Pelecanus thagus | 19 images online, 22 offline |
| Peruvian Recurvebill | Simoxenops ucayalae | 1 images online, 8 offline |
| Peruvian Thick-knee | Burhinus superciliaris | 3 images online, 5 offline |
| Pesquet's Parrot | Psittrichas fulgidus | 4 images online, 3 offline |
| Peter's Twin-spot | Hypargos niveoguttatus | 3 image online, 1 offline |
| Phainopepla | Phainopepla nitens | 53 images online, 31 offline |
| Pheasant Coucal | Centropus phasianinus | 1 images online, 7 offline |
| Pheasant Cuckoo | Dromococcyx phasianellus | 6 images online, 2 offline |
| Pheasant Pigeon | Otidiphaps nobilis | 2 images online, 3 offline |
| Pheasant sp. | Phasianid sp. | 1 images online, 4 offline |
| Pheasant-tailed Jacana | Hydrophasianus chirurgus | 13 images online, 5 offline |
| Philadelphia Vireo | Vireo philadelphicus | 22 images online, 11 offline |
| Philby's Rock-Partridge | Alectoris philbyi | 1 image online, 1 offline |
| Philippine Bulbul | Hypsipetes philippinus | 3 images online, 11 offline |
| Philippine Bullfinch | Pyrrhula leucogenys | 13 images online, 6 offline |
| Philippine Duck | Anas luzonica | 10 images online, 5 offline |
| Philippine Eagle | Pithecophaga jefferyi | 19 images online, 9 offline |
| Philippine Frogmouth | Batrachostomus septimus | 1 images online, 3 offline |
| Philippine Glossy Starling | Aplonis panayensis | 4 images online, 5 offline |
| Philippine Hawk-Eagle | Spizaetus philippensis | 4 images online, 2 offline |
| Philippine Hawk-Owl | Ninox philippensis | 9 images online, 2 offline |
| Philippine Kingfisher | Ceyx melanurus | 1 image online, 1 offline |
| Philippine Leaf-Warbler | Phylloscopus olivaceus | 4 images online, 3 offline |
| Philippine Nightjar | Caprimulgus manillenis | 5 image online, 1 offline |
| Philippine Scops-Owl | Otus megalotis | 13 images online, 10 offline |
| Philippine Yellow White-eye | Zosterops nigrorum | 1 images online, 4 offline |
| Phoenix Petrel | Pterodroma alba | 2 images online, 6 offline |
| Picazuro Pigeon | Patagioenas picazuro | 5 images online, 3 offline |
| Picui Ground-Dove | Columbina picui | 7 images online, 9 offline |
| Pied Avocet | Recurvirostra avosetta | 24 images online, 16 offline |
| Pied Bushchat | Saxicola caprata | 9 images online, 14 offline |
| Pied Butcherbird | Cracticus nigrogularis | 4 images online, 4 offline |
| Pied Cormorant | Phalacrocorax varius | 21 images online, 24 offline |
| Pied Crow | Corvus albus | 8 images online, 5 offline |
| Pied Cuckoo | Clamator jacobinus | 1 images online, 2 offline |
| Pied Currawong | Strepera graculina | 9 images online, 8 offline |
| Pied Fantail | Rhipidura javanica | 15 images online, 3 offline |
| Pied Flycatcher | Ficedula hypoleuca | 3 images online, 29 offline |
| Pied Harrier | Circus melanoleucos | 2 image online, 1 offline |
| Pied Heron | Egretta picata | 4 images online, 16 offline |
| Pied Imperial-Pigeon | Ducula bicolor | 10 images online, 5 offline |
| Pied Kingfisher | Ceryle rudis | 37 images online, 27 offline |
| Pied Lapwing | Vanellus cayanus | 5 images online, 13 offline |
| Pied Oystercatcher | Haematopus longirostris | 8 images online, 7 offline |
| Pied Puffbird | Notharchus tectus | 5 images online, 2 offline |
| Pied Starling | Spreo bicolor | 4 images online, 2 offline |
| Pied Water-tyrant | Fluvicola pica | 11 images online, 8 offline |
| Pied Wheatear | Oenanthe pleschanka | 11 image online, 1 offline |
| Pied-billed Grebe | Podilymbus podiceps | 133 images online, 62 offline |
| Pigeon Guillemot | Cepphus columba | 69 images online, 11 offline |
| Pileated Finch | Coryphospingus pileatus | 7 images online, 7 offline |
| Pileated Parrot | Pionopsitta pileata | 5 images online, 8 offline |
| Pileated Woodpecker | Dryocopus pileatus | 67 images online, 46 offline |
| Pin-tailed Manakin | Ilicura militaris | 2 images online, 27 offline |
| Pin-tailed Snipe | Gallinago stenura | 1 image online, 1 offline |
| Pin-tailed Whydah | Vidua macroura | 7 images online, 3 offline |
| Pine Bunting | Emberiza leucocephalos | 3 images online, 3 offline |
| Pine Flycatcher | Empidonax affinis | 2 image online, 1 offline |
| Pine Grosbeak | Pinicola enucleator | 77 images online, 16 offline |
| Pine Siskin | Carduelis pinus | 68 images online, 90 offline |
| Pine Warbler | Dendroica pinus | 71 images online, 12 offline |
| Pink Pigeon | Nesoenas mayeri | 4 images online, 8 offline |
| Pink-backed Pelican | Pelecanus rufescens | 16 images online, 23 offline |
| Pink-breasted Cuckoo-Dove | Macropygia amboinensis | 2 images online, 2 offline |
| Pink-breasted Lark | Mirafra poecilosterna | 3 images online, 3 offline |
| Pink-capped Fruit-Dove | Ptilinopus regina | 3 image online, 1 offline |
| Pink-eared Duck | Malacorhynchus membranaceus | 2 images online, 7 offline |
| Pink-footed Goose | Anser brachyrhynchus | 36 images online, 5 offline |
| Pink-footed Shearwater | Puffinus creatopus | 18 images online, 9 offline |
| Pink-headed Warbler | Ergaticus versicolor | 3 images online, 5 offline |
| Pink-necked Fruit-Dove | Ptilinopus porphyrea | 3 images online, 2 offline |
| Pink-necked Green-Pigeon | Treron vernans | 4 images online, 3 offline |
| Pink-spotted Fruit-Dove | Ptilinopus perlatus | 4 image online, 1 offline |
| Pink-throated Becard | Pachyramphus minor | 3 images online, 6 offline |
| Pink-throated Brilliant | Heliodoxa gularis | 1 images online, 5 offline |
| Pinnated Bittern | Botaurus pinnatus | 17 images online, 25 offline |
| Pinon Imperial-Pigeon | Ducula pinon | 2 image online, 1 offline |
| Pinyon Jay | Gymnorhinus cyanocephalus | 20 images online, 18 offline |
| Piping Plover | Charadrius melodus | 122 images online, 75 offline |
| Piratic Flycatcher | Legatus leucophaius | 4 images online, 11 offline |
| Pirre Bush-Tanager | Chlorospingus inornatus | 1 images online, 3 offline |
| Pirre Warbler | Basileuterus ignotus | 1 image online, 1 offline |
| Plain Antvireo | Dysithamnus mentalis | 8 images online, 34 offline |
| Plain Chachalaca | Ortalis vetula | 29 images online, 39 offline |
| Plain Parakeet | Brotogeris tirica | 7 images online, 5 offline |
| Plain Prinia | Prinia inornata | 9 images online, 2 offline |
| Plain Softtail | Thripophaga fusciceps | 1 images online, 3 offline |
| Plain Sunbird | Anthreptes simplex | 5 image online, 1 offline |
| Plain Tyrannulet | Inezia inornata | 3 images online, 4 offline |
| Plain Wren | Thryothorus modestus | 3 images online, 10 offline |
| Plain Xenops | Xenops minutus | 17 images online, 27 offline |
| Plain-backed Antpitta | Grallaria haplonota | 3 images online, 2 offline |
| Plain-backed Pipit | Anthus leucophrys | 3 images online, 2 offline |
| Plain-backed Thrush | Zoothera mollissima | 5 image online, 1 offline |
| Plain-bellied Emerald | Amazilia leucogaster | 1 images online, 5 offline |
| Plain-breasted Ground-Dove | Columbina minuta | 2 images online, 8 offline |
| Plain-breasted Hawk | Accipiter ventralis | 1 images online, 9 offline |
| Plain-breasted Piculet | Picumnus castelnau | 2 images online, 9 offline |
| Plain-brown Woodcreeper | Dendrocincla fuliginosa | 7 images online, 43 offline |
| Plain-capped Ground-Tyrant | Muscisaxicola alpina | 5 images online, 2 offline |
| Plain-capped Starthroat | Heliomaster constantii | 2 image online, 1 offline |
| Plain-colored Seedeater | Catamenia inornata | 12 images online, 14 offline |
| Plain-colored Tanager | Tangara inornata | 6 images online, 3 offline |
| Plain-crested Elaenia | Elaenia cristata | 3 images online, 9 offline |
| Plain-crowned Spinetail | Synallaxis gujanensis | 1 images online, 10 offline |
| Plain-mantled Tit-Spinetail | Leptasthenura aegithaloides | 2 images online, 7 offline |
| Plain-tailed Wren | Thryothorus euophrys | 7 images online, 6 offline |
| Plain-throated Antwren | Myrmotherula hauxwelli | 4 images online, 16 offline |
| Plain-throated Sunbird | Anthreptes malacensis | 2 images online, 2 offline |
| Plains Wanderer | Pedionomus torquatus | 2 images online, 3 offline |
| Plaintive Cuckoo | Cacomantis merulinus | 6 images online, 7 offline |
| Planalto Hermit | Phaethornis pretrei | 3 images online, 24 offline |
| Planalto Woodcreeper | Dendrocolaptes platyrostris | 2 images online, 3 offline |
| Plate-billed Mountain Toucan | Andigena laminirostris | 6 images online, 10 offline |
| Plum-crowned Parrot | Pionus tumultuosus | 1 images online, 3 offline |
| Plum-headed Parakeet | Psittacula cyanocephala | 2 images online, 5 offline |
| Plum-throated Cotinga | Cotinga maynana | 6 images online, 3 offline |
| Plumbeous Antbird | Myrmeciza hyperythra | 4 images online, 14 offline |
| Plumbeous Antvireo | Dysithamnus plumbeus | 2 images online, 16 offline |
| Plumbeous Forest-Falcon | Micrastur plumbeus | 8 images online, 14 offline |
| Plumbeous Hawk | Leucopternis plumbeus | 5 images online, 17 offline |
| Plumbeous Ibis | Theristicus caerulescens | 8 images online, 7 offline |
| Plumbeous Kite | Ictinia plumbea | 5 images online, 15 offline |
| Plumbeous Rail | Pardirallus sanguinolentus | 2 image online, 1 offline |
| Plumbeous Seedeater | Sporophila plumbea | 5 images online, 4 offline |
| Plumbeous Sierra-Finch | Phrygilus unicolor | 11 images online, 9 offline |
| Plumbeous Vireo | Vireo plumbeus | 25 images online, 5 offline |
| Plumbeous Warbler | Dendroica plumbea | 4 images online, 9 offline |
| Plumbeous Water-Redstart | Rhyacornis fuliginosus | 10 images online, 2 offline |
| Plumbeous-backed Thrush | Turdus reevei | 4 images online, 10 offline |
| Plumed Whistling-Duck | Dendrocygna eytoni | 3 images online, 8 offline |
| Plush-crested Jay | Cyanocorax chrysops | 9 images online, 11 offline |
| Plushcap | Catamblyrhynchus diadema | 21 images online, 18 offline |
| Pohnpei Lorikeet | Trichoglossus rubiginosus | 1 image online, 1 offline |
| Point-tailed Palmcreeper | Berlepschia rikeri | 2 images online, 3 offline |
| Pomarine Jaeger | Stercorarius pomarinus | 49 images online, 35 offline |
| Pompadour Cotinga | Xipholena punicea | 3 images online, 5 offline |
| Pompadour Green-Pigeon | Treron pompadora | 1 images online, 2 offline |
| Port Lincoln Parrot | Barnardius zonarius | 6 images online, 7 offline |
| Powerful Owl | Ninox strenua | 2 image online, 1 offline |
| Powerful Woodpecker | Campephilus pollens | 1 images online, 5 offline |
| Prairie Falcon | Falco mexicanus | 41 images online, 50 offline |
| Prairie Warbler | Dendroica discolor | 61 images online, 22 offline |
| Prevost's Ground-Sparrow | Melozone biarcuata | 2 image online, 1 offline |
| Prong-billed Barbet | Semnornis frantzii | 11 images online, 10 offline |
| Prothonotary Warbler | Protonotaria citrea | 70 images online, 33 offline |
| Providence Petrel | Pterodroma solandri | 20 images online, 2 offline |
| Puaiohi | Myadestes palmeri | 1 images online, 2 offline |
| Puerto Rican Flycatcher | Myiarchus antillarum | 7 images online, 7 offline |
| Puerto Rican Lizard-Cuckoo | Saurothera vieilloti | 3 images online, 2 offline |
| Puerto Rican Nightjar | Caprimulgus noctitherus | 2 image online, 1 offline |
| Puerto Rican Parrot | Amazona vittata | 3 images online, 9 offline |
| Puerto Rican Screech-Owl | Megascops nudipes | 3 image online, 1 offline |
| Puerto Rican Tody | Todus mexicanus | 11 images online, 4 offline |
| Puerto Rican Vireo | Vireo latimeri | 4 images online, 5 offline |
| Puff-backed Bulbul | Pycnonotus eutilotus | 9 image online, 1 offline |
| Puff-throated Bulbul | Criniger pallidus | 1 images online, 2 offline |
| Puna Ibis | Plegadis ridgwayi | 2 images online, 3 offline |
| Puna Plover | Charadrius alticola | 3 images online, 2 offline |
| Puna Teal | Anas puna | 1 images online, 2 offline |
| Purple Finch | Carpodacus purpureus | 62 images online, 70 offline |
| Purple Gallinule | Porphyrio martinica | 61 images online, 76 offline |
| Purple Glossy Starling | Lamprotornis purpureus | 4 images online, 5 offline |
| Purple Grenadier | Uraeginthus ianthinogaster | 9 images online, 7 offline |
| Purple Heron | Ardea purpurea | 20 images online, 15 offline |
| Purple Honeycreeper | Cyanerpes caeruleus | 22 images online, 39 offline |
| Purple Martin | Progne subis | 112 images online, 65 offline |
| Purple Sandpiper | Calidris maritima | 50 images online, 39 offline |
| Purple Sunbird | Cinnyris asiaticus | 10 image online, 1 offline |
| Purple Swamphen | Porphyrio porphyrio | 28 images online, 24 offline |
| Purple-backed Sunbeam | Aglaeactis aliciae | 1 images online, 3 offline |
| Purple-backed Thornbill | Ramphomicron microrhynchum | 2 images online, 28 offline |
| Purple-banded Sunbird | Cinnyris bifasciata | 2 images online, 7 offline |
| Purple-bibbed Whitetip | Urosticte benjamini | 34 images online, 13 offline |
| Purple-chested Hummingbird | Amazilia rosenbergi | 9 images online, 12 offline |
| Purple-collared Woodstar | Myrtis fanny | 3 images online, 13 offline |
| Purple-crowned Fairy | Heliothryx barroti | 3 images online, 13 offline |
| Purple-crowned Lorikeet | Glossopsitta porphyrocephala | 2 images online, 2 offline |
| Purple-naped Sunbird | Hypogramma hypogrammicum | 8 image online, 1 offline |
| Purple-necked Jacamar | Galbula cyanicollis | 2 image online, 1 offline |
| Purple-rumped Sunbird | Leptocoma zeylonica | 2 image online, 1 offline |
| Purple-throated Carib | Eulampis jugularis | 7 images online, 35 offline |
| Purple-throated Euphonia | Euphonia chlorotica | 2 images online, 3 offline |
| Purple-throated Fruitcrow | Querula purpurata | 10 images online, 5 offline |
| Purple-throated Mountain-Gem | Lampornis calolaemus | 16 images online, 17 offline |
| Purple-throated Sunbird | Leptocoma sperata | 8 images online, 2 offline |
| Purple-throated Woodstar | Calliphlox mitchellii | 30 images online, 7 offline |
| Purplish Jay | Cyanocorax cyanomelas | 5 images online, 6 offline |
| Purplish-backed Jay | Cyanocorax beecheii | 6 images online, 3 offline |
| Purplish-backed Quail-Dove | Geotrygon lawrencii | 1 images online, 2 offline |
| Purplish-mantled Tanager | Iridosornis porphyrocephala | 5 images online, 7 offline |
| Pygmy Antwren | Myrmotherula brachyura | 1 images online, 2 offline |
| Pygmy Falcon | Polihierax semitorquatus | 7 images online, 10 offline |
| Pygmy Nuthatch | Sitta pygmaea | 37 images online, 25 offline |
| Pygmy Wren-Babbler | Pnoepyga pusilla | 4 images online, 2 offline |
| Pyrrhuloxia | Cardinalis sinuatus | 68 images online, 19 offline |
| Queen Carola's Parotia | Parotia carolae | 1 images online, 45 offline |
| Racket-tailed Coquette | Discosura longicauda | 1 images online, 16 offline |
| Racket-tailed Roller | Coracias spatulata | 1 images online, 3 offline |
| Radde's Warbler | Phylloscopus schwarzi | 3 images online, 2 offline |
| Radjah Shelduck | Tadorna radjah | 8 images online, 4 offline |
| Rainbow Bee-eater | Merops ornatus | 3 images online, 11 offline |
| Rainbow Lory | Trichoglossus haematodus | 12 images online, 21 offline |
| Rainbow Starfrontlet | Coeligena iris | 14 images online, 2 offline |
| Rainbow-bearded Thornbill | Chalcostigma herrani | 6 images online, 4 offline |
| Rarotongan Fruit-Dove | Ptilinopus rarotongensis | 2 image online, 1 offline |
| Rattling Cisticola | Cisticola chiniana | 5 images online, 3 offline |
| Razor-billed Curassow | Mitu tuberosa | 4 images online, 2 offline |
| Razorbill | Alca torda | 59 images online, 43 offline |
| Red Avadavat | Amandava amandava | 1 image online, 1 offline |
| Red Bird of Paradise | Paradisaea rubra | 3 images online, 11 offline |
| Red Crossbill | Loxia curvirostra | 70 images online, 33 offline |
| Red Junglefowl | Gallus gallus | 36 images online, 15 offline |
| Red Kite | Milvus milvus | 9 images online, 11 offline |
| Red Knot | Calidris canutus | 243 images online, 99 offline |
| Red Lory | Eos bornea | 1 images online, 4 offline |
| Red Phalarope | Phalaropus fulicarius | 88 images online, 45 offline |
| Red Shining Parrot | Prosopeia tabuensis | 8 image online, 1 offline |
| Red Shoveler | Anas platalea | 6 images online, 8 offline |
| Red Spurfowl | Galloperdix spadicea | 1 image online, 1 offline |
| Red Turtle-Dove | Streptopelia tranquebarica | 4 image online, 1 offline |
| Red Warbler | Ergaticus ruber | 2 image online, 1 offline |
| Red Wattlebird | Anthochaera carunculata | 1 images online, 3 offline |
| Red-and-green Macaw | Ara chloropterus | 18 images online, 39 offline |
| Red-and-white Crake | Laterallus leucopyrrhus | 2 images online, 6 offline |
| Red-and-yellow Barbet | Trachyphonus erythrocephalus | 16 images online, 13 offline |
| Red-backed Gerygone | Eugerygone rubra | 5 images online, 6 offline |
| Red-backed Hawk | Buteo polyosoma | 15 images online, 21 offline |
| Red-backed Honeyeater | Ptiloprora guisei | 3 images online, 4 offline |
| Red-backed Kingfisher | Todirhamphus pyrrhopygia | 2 images online, 2 offline |
| Red-backed Shrike | Lanius collurio | 17 images online, 10 offline |
| Red-backed Wren | Malurus melanocephalus | 2 images online, 4 offline |
| Red-bearded Bee-eater | Nyctyornis amicta | 3 images online, 2 offline |
| Red-bellied Macaw | Orthopsittaca manilata | 4 images online, 4 offline |
| Red-bellied Paradise Flycatcher | Terpsiphone rufiventer | 9 images online, 3 offline |
| Red-bellied Parrot | Poicephalus rufiventris | 2 images online, 2 offline |
| Red-bellied Woodpecker | Melanerpes carolinus | 41 images online, 74 offline |
| Red-billed Blue-Magpie | Urocissa erythrorhyncha | 4 image online, 1 offline |
| Red-billed Buffalo-Weaver | Bubalornis niger | 10 images online, 9 offline |
| Red-billed Chough | Pyrrhocorax pyrrhocorax | 8 images online, 4 offline |
| Red-billed Firefinch | Lagonosticta senegala | 12 images online, 8 offline |
| Red-billed Francolin | Francolinus adspersus | 7 images online, 6 offline |
| Red-billed Gull | Larus scopulinus | 12 images online, 20 offline |
| Red-billed Hornbill | Tockus erythrorhynchus | 26 images online, 31 offline |
| Red-billed Leiothrix | Leiothrix lutea | 7 images online, 4 offline |
| Red-billed Malcoha | Zanclostomus javanicus | 4 images online, 3 offline |
| Red-billed Oxpecker | Buphagus erythrorhynchus | 13 images online, 9 offline |
| Red-billed Parrot | Pionus sordidus | 4 images online, 4 offline |
| Red-billed Pied Tanager | Lamprospiza melanoleuca | 1 images online, 5 offline |
| Red-billed Pigeon | Patagioenas flavirostris | 10 images online, 6 offline |
| Red-billed Quelea | Quelea quelea | 13 images online, 13 offline |
| Red-billed Scythebill | Campylorhamphus trochilirostris | 8 images online, 26 offline |
| Red-billed Streamertail | Trochilus polytmus | 11 images online, 55 offline |
| Red-billed Teal | Anas erythrorhyncha | 10 images online, 10 offline |
| Red-billed Toucan | Ramphastos tucanus | 9 images online, 5 offline |
| Red-billed Tropicbird | Phaethon aethereus | 66 images online, 38 offline |
| Red-billed Woodcreeper | Hylexetastes perrotii | 2 images online, 3 offline |
| Red-breasted Blackbird | Sturnella militaris | 5 images online, 9 offline |
| Red-breasted Chat | Granatellus venustus | 2 image online, 1 offline |
| Red-breasted Goose | Branta ruficollis | 3 images online, 11 offline |
| Red-breasted Merganser | Mergus serrator | 169 images online, 53 offline |
| Red-breasted Nuthatch | Sitta canadensis | 37 images online, 32 offline |
| Red-breasted Plover | Charadrius obscurus | 15 images online, 13 offline |
| Red-breasted Sapsucker | Sphyrapicus ruber | 16 images online, 17 offline |
| Red-breasted Toucan | Ramphastos dicolorus | 4 images online, 6 offline |
| Red-browed Pardalote | Pardalotus rubricatus | 1 image online, 1 offline |
| Red-browed Parrot | Amazona rhodocorytha | 2 images online, 2 offline |
| Red-capped Cardinal | Paroaria gularis | 10 images online, 18 offline |
| Red-capped Lark | Calandrella cinerea | 10 images online, 11 offline |
| Red-capped Manakin | Pipra mentalis | 19 images online, 19 offline |
| Red-capped Plover | Charadrius ruficapillus | 4 images online, 3 offline |
| Red-capped Robin | Petroica goodenovii | 7 images online, 2 offline |
| Red-capped Robin-Chat | Cossypha natalensis | 4 image online, 1 offline |
| Red-cheeked Cordon-bleu | Uraeginthus bengalus | 12 images online, 23 offline |
| Red-cheeked Parrot | Geoffroyus geoffroyi | 4 images online, 34 offline |
| Red-cheeked Wattle-eye | Dyaphorophyia blissetti | 2 images online, 2 offline |
| Red-chested Cuckoo | Cuculus solitarius | 1 images online, 3 offline |
| Red-chested Sunbird | Cinnyris erythrocerca | 4 images online, 6 offline |
| Red-cockaded Woodpecker | Picoides borealis | 29 images online, 17 offline |
| Red-collared Lorikeet | Trichoglossus rubritorquis | 1 image online, 1 offline |
| Red-collared Widowbird | Euplectes ardens | 5 images online, 4 offline |
| Red-cowled Cardinal | Paroaria dominicana | 2 images online, 10 offline |
| Red-crested Cardinal | Paroaria coronata | 15 images online, 21 offline |
| Red-crested Cotinga | Ampelion rubrocristatus | 7 images online, 11 offline |
| Red-crested Finch | Coryphospingus cucullatus | 6 images online, 9 offline |
| Red-crested Korhaan | Lophotis ruficrista | 10 images online, 6 offline |
| Red-crested Pochard | Netta rufina | 9 images online, 18 offline |
| Red-crested Turaco | Tauraco erythrolophus | 2 images online, 5 offline |
| Red-crowned Ant-Tanager | Habia rubica | 7 images online, 28 offline |
| Red-crowned Parrot | Amazona viridigenalis | 11 images online, 3 offline |
| Red-crowned Woodpecker | Melanerpes rubricapillus | 16 images online, 20 offline |
| Red-eared Conure | Pyrrhura hoematotis | 1 images online, 2 offline |
| Red-eyed Bulbul | Pycnonotus brunneus | 7 images online, 2 offline |
| Red-eyed Dove | Streptopelia semitorquata | 8 images online, 2 offline |
| Red-eyed Thornbird | Phacellodomus erythrophthalmus | 4 images online, 5 offline |
| Red-eyed Vireo | Vireo olivaceus | 50 images online, 73 offline |
| Red-faced Cormorant | Phalacrocorax urile | 38 images online, 34 offline |
| Red-faced Crombec | Sylvietta whytii | 2 image online, 1 offline |
| Red-faced Lovebird | Agapornis pullarius | 1 image online, 1 offline |
| Red-faced Mousebird | Urocolius indicus | 2 image online, 1 offline |
| Red-faced Spinetail | Cranioleuca erythrops | 5 images online, 7 offline |
| Red-faced Warbler | Cardellina rubrifrons | 29 images online, 13 offline |
| Red-flanked Bluetail | Tarsiger cyanurus | 13 images online, 10 offline |
| Red-footed Booby | Sula sula | 106 images online, 90 offline |
| Red-footed Falcon | Falco vespertinus | 21 images online, 3 offline |
| Red-fronted Barbet | Tricholaema diadematum | 4 images online, 12 offline |
| Red-fronted Coot | Fulica rufifrons | 3 images online, 3 offline |
| Red-fronted Macaw | Ara rubrogenys | 6 image online, 1 offline |
| Red-fronted Parakeet | Cyanoramphus novaezelandiae | 21 images online, 6 offline |
| Red-fronted Rosefinch | Carpodacus puniceus | 2 images online, 2 offline |
| Red-fronted Tinkerbird | Pogoniulus pusillus | 2 images online, 3 offline |
| Red-gartered Coot | Fulica armillata | 6 images online, 8 offline |
| Red-headed Barbet | Eubucco bourcierii | 10 images online, 18 offline |
| Red-headed Blue-bill | Spermophaga ruficapilla | 3 images online, 10 offline |
| Red-headed Finch | Amadina erythrocephala | 8 image online, 1 offline |
| Red-headed Manakin | Pipra rubrocapilla | 2 images online, 13 offline |
| Red-headed Parrot-Finch | Erythrura cyaneovirens | 2 images online, 3 offline |
| Red-headed Quelea | Quelea erythrops | 1 image online, 1 offline |
| Red-headed Rockfowl | Picathartes oreas | 6 images online, 13 offline |
| Red-headed Vulture | Sarcogyps calvus | 5 images online, 5 offline |
| Red-headed Weaver | Anaplectes rubriceps | 12 images online, 8 offline |
| Red-headed Woodpecker | Melanerpes erythrocephalus | 43 images online, 19 offline |
| Red-kneed Plover | Charadrius cinctus | 5 images online, 2 offline |
| Red-knobbed Coot | Fulica cristata | 12 images online, 7 offline |
| Red-legged Cormorant | Phalacrocorax gaimardi | 4 images online, 8 offline |
| Red-legged Honeycreeper | Cyanerpes cyaneus | 19 images online, 56 offline |
| Red-legged Kittiwake | Rissa brevirostris | 46 images online, 45 offline |
| Red-legged Partridge | Alectoris rufa | 32 images online, 3 offline |
| Red-legged Seriema | Cariama cristata | 13 images online, 13 offline |
| Red-legged Thrush | Turdus plumbeus | 18 images online, 22 offline |
| Red-lored Parrot | Amazona autumnalis | 17 images online, 8 offline |
| Red-masked Parakeet | Aratinga erythrogenys | 4 images online, 5 offline |
| Red-naped Sapsucker | Sphyrapicus nuchalis | 37 images online, 12 offline |
| Red-naped Trogon | Harpactes kasumba | 2 image online, 1 offline |
| Red-necked Aracari | Pteroglossus bitorquatus | 1 images online, 2 offline |
| Red-necked Avocet | Recurvirostra novaehollandiae | 1 images online, 17 offline |
| Red-necked Falcon | Falco chicquera | 2 images online, 8 offline |
| Red-necked Grebe | Podiceps grisegena | 96 images online, 61 offline |
| Red-necked Parrot | Amazona arausiaca | 1 image online, 1 offline |
| Red-necked Phalarope | Phalaropus lobatus | 95 images online, 56 offline |
| Red-necked Spurfowl | Francolinus afer | 7 images online, 3 offline |
| Red-necked Stint | Calidris ruficollis | 41 images online, 26 offline |
| Red-necked Tanager | Tangara cyanocephala | 4 images online, 22 offline |
| Red-necked Woodpecker | Campephilus rubricollis | 1 images online, 3 offline |
| Red-ruffed Fruitcrow | Pyroderus scutatus | 1 image online, 1 offline |
| Red-rumped Bush-Tyrant | Cnemarchus erythropygius | 4 images online, 3 offline |
| Red-rumped Cacique | Cacicus haemorrhous | 3 images online, 10 offline |
| Red-rumped Parrot | Psephotus haematonotus | 4 images online, 3 offline |
| Red-rumped Swallow | Hirundo daurica | 12 images online, 8 offline |
| Red-rumped Warbling-Finch | Poospiza lateralis | 5 images online, 4 offline |
| Red-rumped Wheatear | Oenanthe moesta | 4 image online, 1 offline |
| Red-rumped Woodpecker | Veniliornis kirkii | 2 images online, 15 offline |
| Red-shouldered Blackbird | Agelaius assimilis | 1 images online, 2 offline |
| Red-shouldered Hawk | Buteo lineatus | 99 images online, 138 offline |
| Red-shouldered Macaw | Diopsittaca nobilis | 5 images online, 6 offline |
| Red-shouldered Tanager | Tachyphonus phoenicius | 9 images online, 13 offline |
| Red-spectacled Parrot | Amazona pretrei | 3 images online, 2 offline |
| Red-stained Woodpecker | Veniliornis affinis | 2 images online, 2 offline |
| Red-tailed Black Cockatoo | Calyptorhynchus banksii | 9 images online, 4 offline |
| Red-tailed Comet | Sappho sparganura | 4 images online, 33 offline |
| Red-tailed Greenbul | Criniger calurus | 1 images online, 3 offline |
| Red-tailed Hawk | Buteo jamaicensis | 244 images online, 238 offline |
| Red-tailed Laughingthrush | Garrulax milnei | 3 images online, 2 offline |
| Red-tailed Minla | Minla ignotincta | 2 images online, 3 offline |
| Red-tailed Tailorbird | Orthotomus sericeus | 20 images online, 5 offline |
| Red-tailed Tropicbird | Phaethon rubricauda | 64 images online, 62 offline |
| Red-tailed Wheatear | Oenanthe xanthoprymna | 3 image online, 1 offline |
| Red-throated Ant-Tanager | Habia fuscicauda | 10 images online, 14 offline |
| Red-throated Barbet | Megalaima mystacophanos | 4 images online, 6 offline |
| Red-throated Bee-eater | Merops bulocki | 2 images online, 5 offline |
| Red-throated Caracara | Ibycter americanus | 4 images online, 5 offline |
| Red-throated Loon | Gavia stellata | 96 images online, 51 offline |
| Red-throated Pipit | Anthus cervinus | 17 images online, 10 offline |
| Red-throated Sunbird | Anthreptes rhodolaema | 8 images online, 7 offline |
| Red-tufted Sunbird | Nectarinia johnstoni | 2 images online, 3 offline |
| Red-vented Bulbul | Pycnonotus cafer | 12 images online, 10 offline |
| Red-vented Cockatoo | Cacatua haematuropygia | 1 images online, 2 offline |
| Red-wattled Lapwing | Vanellus indicus | 30 images online, 10 offline |
| Red-whiskered Bulbul | Pycnonotus jocosus | 8 images online, 8 offline |
| Red-winged Blackbird | Agelaius phoeniceus | 168 images online, 163 offline |
| Red-winged Bushlark | Mirafra hypermetra | 4 image online, 1 offline |
| Red-winged Laughingthrush | Garrulax formosus | 1 images online, 2 offline |
| Red-winged Parrot | Aprosmictus erythropterus | 8 images online, 26 offline |
| Red-winged Starling | Onychognathus morio | 10 images online, 4 offline |
| Red-winged Tinamou | Rhynchotus rufescens | 5 images online, 6 offline |
| Reddish Egret | Egretta rufescens | 110 images online, 145 offline |
| Reddish Hermit | Phaethornis ruber | 2 images online, 47 offline |
| Reddish-winged Bare-eye | Phlegopsis erythroptera | 1 images online, 17 offline |
| Redhead | Aythya americana | 96 images online, 47 offline |
| Redwing | Turdus iliacus | 26 images online, 18 offline |
| Reed Bunting | Emberiza schoeniclus | 10 images online, 12 offline |
| Reeve's Pheasant | Syrmaticus reevesi | 1 image online, 1 offline |
| Regent Parrot | Polytelis anthopeplus | 3 images online, 2 offline |
| Relict Gull | Larus relictus | 5 images online, 9 offline |
| Resplendent Quetzal | Pharomachrus mocinno | 64 images online, 43 offline |
| Reunion Stonechat | Saxicola tectes | 2 image online, 1 offline |
| Rhinoceros Auklet | Cerorhinca monocerata | 35 images online, 20 offline |
| Rhinoceros Hornbill | Buceros rhinoceros | 26 images online, 11 offline |
| Ribbon-tailed Bird of Paradise | Astrapia mayeri | 4 images online, 26 offline |
| Rifleman | Acanthisitta chloris | 1 images online, 3 offline |
| Ring Ouzel | Turdus torquatus | 4 image online, 1 offline |
| Ring-billed Gull | Larus delawarensis | 146 images online, 178 offline |
| Ring-necked Dove | Streptopelia capicola | 7 images online, 5 offline |
| Ring-necked Duck | Aythya collaris | 97 images online, 37 offline |
| Ring-necked Pheasant | Phasianus colchicus | 87 images online, 47 offline |
| Ringed Antpipit | Corythopis torquata | 4 images online, 14 offline |
| Ringed Kingfisher | Megaceryle torquatus | 25 images online, 20 offline |
| Ringed Storm-Petrel | Oceanodroma hornbyi | 2 images online, 9 offline |
| Ringed Teal | Callonetta leucophrys | 5 images online, 11 offline |
| Ringed Turtle-Dove | Streptopelia risoria | 9 images online, 5 offline |
| Ringed Warbling-Finch | Poospiza torquata | 2 images online, 2 offline |
| Ringed Woodpecker | Celeus torquatus | 1 image online, 1 offline |
| River Lapwing | Vanellus duvaucelii | 3 image online, 1 offline |
| River Tern | Sterna aurantia | 6 image online, 1 offline |
| River Tyrannulet | Serpophaga hypoleuca | 1 images online, 3 offline |
| Riverside Tyrant | Knipolegus orenocensis | 3 images online, 9 offline |
| Riverside Wren | Thryothorus semibadius | 2 image online, 1 offline |
| Roadside Hawk | Buteo magnirostris | 29 images online, 41 offline |
| Robert's Prinia | Prinia robertsi | 2 image online, 1 offline |
| Robin Accentor | Prunella rubeculoides | 1 images online, 2 offline |
| Rock Bunting | Emberiza cia | 6 images online, 2 offline |
| Rock Firefinch | Lagonosticta sanguinodorsalis | 3 images online, 5 offline |
| Rock Martin | Hirundo fuligula | 6 images online, 4 offline |
| Rock Parrot | Neophema petrophila | 1 images online, 3 offline |
| Rock Pigeon | Columba livia | 84 images online, 33 offline |
| Rock Pipit | Anthus petrosus | 7 image online, 1 offline |
| Rock Ptarmigan | Lagopus muta | 49 images online, 28 offline |
| Rock Sandpiper | Calidris ptilocnemis | 65 images online, 37 offline |
| Rock Shag | Phalacrocorax magellanicus | 19 images online, 24 offline |
| Rock Sparrow | Petronia petronia | 3 images online, 5 offline |
| Rock Wren | Salpinctes obsoletus | 49 images online, 23 offline |
| Rock-Thrush | Monticola saxatilis | 20 images online, 5 offline |
| Rockhopper Penguin | Eudyptes chrysocome | 84 images online, 225 offline |
| Rodriguez Solitaire | Pezophaps solitaria | 1 image online, 1 offline |
| Rodriguez Warbler | Bebrornis rodericanus | 4 images online, 2 offline |
| Roraiman Barbtail | Roraimia adusta | 1 images online, 2 offline |
| Roraiman Flycatcher | Myiophobus roraimae | 1 image online, 1 offline |
| Rose-bellied Bunting | Passerina rositae | 15 images online, 3 offline |
| Rose-breasted Grosbeak | Pheucticus ludovicianus | 81 images online, 88 offline |
| Rose-colored Starling | Sturnus roseus | 16 images online, 4 offline |
| Rose-faced Parrot | Pionopsitta pulchra | 5 images online, 3 offline |
| Rose-ringed Parakeet | Psittacula krameri | 27 images online, 15 offline |
| Rose-throated Becard | Pachyramphus aglaiae | 26 images online, 19 offline |
| Rose-throated Tanager | Piranga roseogularis | 3 images online, 2 offline |
| Roseate Spoonbill | Platalea ajaja | 190 images online, 159 offline |
| Roseate Tern | Sterna dougallii | 40 images online, 111 offline |
| Ross's Goose | Chen rossii | 86 images online, 28 offline |
| Ross's Gull | Rhodostethia rosea | 48 images online, 46 offline |
| Ross's Turaco | Musophaga rossae | 2 images online, 7 offline |
| Rosy Pipit | Anthus roseatus | 5 images online, 2 offline |
| Rosy Thrush-Tanager | Rhodinocichla rosea | 9 images online, 10 offline |
| Rosy-billed Pochard | Netta peposaca | 17 images online, 7 offline |
| Rosy-breasted Longclaw | Macronyx ameliae | 3 images online, 4 offline |
| Rosy-patched Bush-Shrike | Rhodophoneus cruentus | 4 image online, 1 offline |
| Rosy-patched Shrike | Malaconotus cruentus | 1 images online, 3 offline |
| Rothschild's Fody | Foudia omissa | 1 images online, 4 offline |
| Rothschild's Pheasant | Polyplectron inopinatum | 2 images online, 6 offline |
| Rough-faced Shag | Phalacrocorax carunculatus | 2 images online, 4 offline |
| Rough-legged Hawk | Buteo lagopus | 63 images online, 66 offline |
| Rough-legged Tyrannulet | Phyllomyias burmeisteri | 1 images online, 2 offline |
| Round-tailed Manakin | Pipra chloromeros | 1 images online, 4 offline |
| Royal Albatross | Diomedea epomophora | 57 images online, 12 offline |
| Royal Flycatcher | Onychorhynchus coronatus | 14 images online, 39 offline |
| Royal Penguin | Eudyptes schlegeli | 45 images online, 14 offline |
| Royal Spoonbill | Platalea regia | 12 images online, 41 offline |
| Royal Sunangel | Heliangelus regalis | 1 images online, 6 offline |
| Royal Tern | Thalasseus maximas | 165 images online, 104 offline |
| Ruby-cheeked Sunbird | Chalcoparia singalensis | 4 images online, 3 offline |
| Ruby-crowned Kinglet | Regulus calendula | 52 images online, 39 offline |
| Ruby-crowned Tanager | Tachyphonus coronatus | 5 images online, 14 offline |
| Ruby-throated Hummingbird | Archilochus colubris | 97 images online, 154 offline |
| Ruby-topaz Hummingbird | Chrysolampis mosquitus | 17 images online, 59 offline |
| Ruddy Crake | Laterallus ruber | 3 images online, 3 offline |
| Ruddy Duck | Oxyura jamaicensis | 111 images online, 74 offline |
| Ruddy Foliage-gleaner | Automolus rubiginosus | 4 images online, 16 offline |
| Ruddy Ground-Dove | Columbina talpacoti | 24 images online, 27 offline |
| Ruddy Pigeon | Patagioenas subvinacea | 3 image online, 1 offline |
| Ruddy Quail-Dove | Geotrygon montana | 6 images online, 31 offline |
| Ruddy Shelduck | Tadorna ferruginea | 11 images online, 7 offline |
| Ruddy Spinetail | Synallaxis rutilans | 1 images online, 12 offline |
| Ruddy Tody-Flycatcher | Poecilotriccus russatus | 2 images online, 3 offline |
| Ruddy Turnstone | Arenaria interpres | 150 images online, 116 offline |
| Ruddy Woodcreeper | Dendrocincla homochroa | 5 images online, 12 offline |
| Ruddy-breasted Crake | Porzana fusca | 1 image online, 1 offline |
| Ruddy-breasted Seedeater | Sporophila minuta | 13 images online, 10 offline |
| Ruddy-capped Nightingale-Thrush | Catharus frantzii | 11 images online, 6 offline |
| Ruddy-headed Goose | Chloephaga rubidiceps | 20 images online, 13 offline |
| Ruddy-tailed Flycatcher | Terenotriccus erythrurus | 5 images online, 30 offline |
| Rufescent Prinia | Prinia rufescens | 1 image online, 1 offline |
| Rufescent Screech-Owl | Megascops ingens | 2 images online, 8 offline |
| Rufescent Tiger-Heron | Tigrisoma lineatum | 36 images online, 35 offline |
| Ruff | Philomachus pugnax | 56 images online, 50 offline |
| Ruffed Grouse | Bonasa umbellus | 47 images online, 37 offline |
| Rufous Antpitta | Grallaria rufula | 17 images online, 12 offline |
| Rufous Casiornis | Casiornis rufa | 5 images online, 13 offline |
| Rufous Chatterer | Turdoides rubiginosus | 3 images online, 2 offline |
| Rufous Gnateater | Conopophaga lineata | 1 images online, 26 offline |
| Rufous Hornero | Furnarius rufus | 13 images online, 45 offline |
| Rufous Hummingbird | Selasphorus rufus | 84 images online, 87 offline |
| Rufous Motmot | Baryphthengus martii | 16 images online, 43 offline |
| Rufous Mourner | Rhytipterna holerythra | 3 images online, 11 offline |
| Rufous Night-Heron | Nycticorax caledonicus | 4 images online, 18 offline |
| Rufous Piculet | Sasia abnormis | 21 images online, 6 offline |
| Rufous Piha | Lipaugus unirufus | 3 images online, 2 offline |
| Rufous Potoo | Nyctibius bracteatus | 3 images online, 8 offline |
| Rufous Sabrewing | Campylopterus rufus | 2 image online, 1 offline |
| Rufous Shrike-Thrush | Colluricincla megarhyncha | 12 images online, 35 offline |
| Rufous Songlark | Cinclorhamphus mathewsi | 2 images online, 5 offline |
| Rufous Spinetail | Synallaxis unirufa | 10 images online, 12 offline |
| Rufous Treecreeper | Climacteris rufa | 1 image online, 1 offline |
| Rufous Treepie | Dendrocitta vagabunda | 10 images online, 5 offline |
| Rufous Vanga | Schetba rufa | 2 images online, 2 offline |
| Rufous Whistler | Pachycephala rufiventris | 1 images online, 26 offline |
| Rufous Woodpecker | Celeus brachyurus | 3 images online, 5 offline |
| Rufous Wren | Cinnycerthia unirufa | 12 images online, 3 offline |
| Rufous Wren-Warbler | Clytomyias insignis | 5 images online, 4 offline |
| Rufous-and-white Wren | Thryothorus rufalbus | 2 images online, 6 offline |
| Rufous-backed Kingfisher | Ceyx rufidorsa | 12 images online, 9 offline |
| Rufous-backed Robin | Turdus rufopalliatus | 9 images online, 4 offline |
| Rufous-banded Honeyeater | Conopophila albogularis | 7 images online, 5 offline |
| Rufous-banded Miner | Geositta rufipennis | 2 images online, 12 offline |
| Rufous-banded Owl | Ciccaba albitarsus | 3 images online, 2 offline |
| Rufous-bellied Antwren | Myrmotherula guttata | 2 images online, 11 offline |
| Rufous-bellied Bush-Tyrant | Myiotheretes fuscorufus | 1 images online, 4 offline |
| Rufous-bellied Chachalaca | Ortalis wagleri | 4 image online, 1 offline |
| Rufous-bellied Euphonia | Euphonia rufiventris | 3 images online, 8 offline |
| Rufous-bellied Heron | Ardeola rufiventris | 7 images online, 3 offline |
| Rufous-bellied Imperial-Pigeon | Ducula rufigaster | 1 image online, 1 offline |
| Rufous-bellied Kookaburra | Dacelo gaudichaud | 3 images online, 3 offline |
| Rufous-bellied Niltava | Niltava sundara | 4 images online, 4 offline |
| Rufous-bellied Seedsnipe | Attagis gayi | 10 images online, 3 offline |
| Rufous-bellied Thrush | Turdus rufiventris | 9 images online, 17 offline |
| Rufous-breasted Accentor | Prunella strophiata | 4 image online, 1 offline |
| Rufous-breasted Antthrush | Formicarius rufipectus | 2 images online, 7 offline |
| Rufous-breasted Chat-Tyrant | Ochthoeca rufipectoralis | 5 images online, 11 offline |
| Rufous-breasted Flycatcher | Leptopogon rufipectus | 1 image online, 1 offline |
| Rufous-breasted Hermit | Glaucis hirsutus | 9 images online, 56 offline |
| Rufous-breasted Piculet | Picumnus rufiventris | 3 images online, 8 offline |
| Rufous-breasted Sabrewing | Campylopterus hyperythrus | 1 images online, 2 offline |
| Rufous-breasted Sparrowhawk | Accipiter rufiventris | 3 images online, 5 offline |
| Rufous-breasted Spinetail | Synallaxis erythrothorax | 1 images online, 2 offline |
| Rufous-breasted Whistler | Pachycephala hyperythra | 1 image online, 1 offline |
| Rufous-breasted Wren | Thryothorus rutilus | 3 images online, 9 offline |
| Rufous-browed Conebill | Conirostrum rufum | 3 images online, 4 offline |
| Rufous-browed Peppershrike | Cyclarhis gujanensis | 6 images online, 23 offline |
| Rufous-brown Solitaire | Cichlopsis leucogenys | 4 images online, 9 offline |
| Rufous-capped Antshrike | Thamnophilus ruficapillus | 2 images online, 8 offline |
| Rufous-capped Antthrush | Formicarius colma | 5 images online, 18 offline |
| Rufous-capped Brush-Finch | Atlapetes pileatus | 3 image online, 1 offline |
| Rufous-capped Motmot | Baryphthengus ruficapillus | 2 images online, 10 offline |
| Rufous-capped Nunlet | Nonnula ruficapilla | 1 images online, 4 offline |
| Rufous-capped Spinetail | Synallaxis ruficapilla | 1 images online, 6 offline |
| Rufous-capped Thornbill | Chalcostigma ruficeps | 7 images online, 4 offline |
| Rufous-capped Warbler | Basileuterus rufifrons | 20 images online, 22 offline |
| Rufous-cheeked Hornbill | Aceros nipalensis | 5 images online, 3 offline |
| Rufous-cheeked Hummingbird | Goethalsia bella | 1 image online, 1 offline |
| Rufous-chested Dotterel | Charadrius modestus | 7 images online, 14 offline |
| Rufous-chested Flycatcher | Ficedula dumetoria | 18 image online, 1 offline |
| Rufous-chested Swallow | Hirundo semirufa | 5 images online, 3 offline |
| Rufous-chested Tanager | Thlypopsis ornata | 1 images online, 4 offline |
| Rufous-collared Kingfisher | Actenoides concretus | 10 images online, 4 offline |
| Rufous-collared Sparrow | Zonotrichia capensis | 28 images online, 54 offline |
| Rufous-crested Antbird | Percnostola lophotes | 1 images online, 9 offline |
| Rufous-crested Tanager | Creurgops verticalis | 1 image online, 1 offline |
| Rufous-crowned Antpitta | Pittasoma rufopileatum | 2 images online, 11 offline |
| Rufous-crowned Babbler | Malacopteron magnum | 8 images online, 4 offline |
| Rufous-crowned Elaenia | Elaenia ruficeps | 3 images online, 7 offline |
| Rufous-crowned Greenlet | Hylophilus poicilotis | 1 images online, 6 offline |
| Rufous-crowned Roller | Coracias naevia | 8 images online, 7 offline |
| Rufous-crowned Sparrow | Aimophila ruficeps | 60 images online, 18 offline |
| Rufous-crowned Tody-Tyrant | Poecilotriccus ruficeps | 4 images online, 13 offline |
| Rufous-faced Antpitta | Grallaria erythrotis | 1 image online, 1 offline |
| Rufous-fronted Fantail | Rhipidura rufifrons | 1 images online, 3 offline |
| Rufous-fronted Thornbird | Phacellodomus rufifrons | 7 images online, 18 offline |
| Rufous-fronted Wood-Quail | Odontophorus erythrops | 1 image online, 1 offline |
| Rufous-gorgeted Flycatcher | Ficedula strophiata | 4 image online, 1 offline |
| Rufous-headed Chachalaca | Ortalis erythroptera | 1 images online, 2 offline |
| Rufous-headed Pygmy-Tyrant | Pseudotriccus ruficeps | 4 images online, 15 offline |
| Rufous-headed Tanager | Hemithraupis ruficapilla | 1 images online, 7 offline |
| Rufous-headed Woodpecker | Celeus spectabilis | 2 images online, 3 offline |
| Rufous-legged Owl | Strix rufipes | 2 image online, 1 offline |
| Rufous-naped Brush-Finch | Atlapetes rufinucha | 6 images online, 28 offline |
| Rufous-naped Greenlet | Hylophilus semibrunneus | 1 images online, 3 offline |
| Rufous-naped Lark | Mirafra africana | 13 images online, 4 offline |
| Rufous-naped Whistler | Pachycephala rufinucha | 2 images online, 22 offline |
| Rufous-naped Wren | Campylorhynchus rufinucha | 9 images online, 3 offline |
| Rufous-necked Foliage-gleaner | Syndactyla ruficollis | 5 images online, 3 offline |
| Rufous-necked Puffbird | Malacoptila rufa | 2 images online, 3 offline |
| Rufous-necked Scimitar-Babbler | Pomatorhinus ruficollis | 2 images online, 4 offline |
| Rufous-rumped Antwren | Terenura callinota | 3 images online, 3 offline |
| Rufous-rumped Foliage-gleaner | Philydor erythrocercus | 3 images online, 6 offline |
| Rufous-sided Crake | Laterallus melanophaius | 1 image online, 1 offline |
| Rufous-tailed Antthrush | Chamaeza ruficauda | 2 images online, 6 offline |
| Rufous-tailed Antwren | Myrmotherula erythrura | 1 images online, 3 offline |
| Rufous-tailed Finch-Lark | Ammomanes phoenicurus | 2 images online, 2 offline |
| Rufous-tailed Flatbill | Ramphotrigon ruficauda | 2 images online, 7 offline |
| Rufous-tailed Flycatcher | Myiarchus validus | 2 images online, 2 offline |
| Rufous-tailed Foliage-gleaner | Philydor ruficaudatus | 1 image online, 1 offline |
| Rufous-tailed Hummingbird | Amazilia tzacatl | 34 images online, 33 offline |
| Rufous-tailed Jacamar | Galbula ruficauda | 14 images online, 59 offline |
| Rufous-tailed Plantcutter | Phytotoma rara | 5 images online, 14 offline |
| Rufous-tailed Scrub-Robin | Cercotrichas galactotes | 5 images online, 5 offline |
| Rufous-tailed Shama | Copsychus pyrropygus | 5 image online, 1 offline |
| Rufous-tailed Tyrant | Knipolegus poecilurus | 5 images online, 7 offline |
| Rufous-tailed Weaver | Histurgops ruficauda | 4 images online, 9 offline |
| Rufous-thighed Hawk | Accipiter erythronemius | 2 images online, 5 offline |
| Rufous-thighed Kite | Harpagus diodon | 3 image online, 1 offline |
| Rufous-throated Antbird | Gymnopithys rufigula | 5 images online, 14 offline |
| Rufous-throated Dipper | Cinclus schulzi | 1 image online, 1 offline |
| Rufous-throated Sapphire | Hylocharis sapphirina | 3 images online, 25 offline |
| Rufous-throated Solitaire | Myadestes genibarbis | 13 images online, 8 offline |
| Rufous-throated Tanager | Tangara rufigula | 5 images online, 5 offline |
| Rufous-vented Chachalaca | Ortalis ruficauda | 4 images online, 18 offline |
| Rufous-vented Ground-Cuckoo | Neomorphus geoffroyi | 2 image online, 1 offline |
| Rufous-vented Tapaculo | Scytalopus femoralis | 1 images online, 9 offline |
| Rufous-vented Whitetip | Urosticte ruficrissa | 5 images online, 5 offline |
| Rufous-webbed Brilliant | Heliodoxa branickii | 1 images online, 3 offline |
| Rufous-winged Bushlark | Mirafra assamica | 2 image online, 1 offline |
| Rufous-winged Fulvetta | Alcippe castaneceps | 3 images online, 2 offline |
| Rufous-winged Philentoma | Philentoma pyrhopterum | 20 images online, 5 offline |
| Rufous-winged Sparrow | Aimophila carpalis | 29 images online, 19 offline |
| Rufous-winged Tanager | Tangara lavinia | 3 images online, 3 offline |
| Running Coua | Coua cursor | 1 image online, 1 offline |
| Ruppell's Vulture | Gyps rueppellii | 38 images online, 25 offline |
| Ruppell's Warbler | Sylvia rueppelli | 1 images online, 3 offline |
| Russet Antshrike | Thamnistes anabatinus | 2 images online, 16 offline |
| Russet Nightingale-Thrush | Catharus occidentalis | 3 images online, 2 offline |
| Russet Sparrow | Passer rutilans | 2 images online, 3 offline |
| Russet-backed Oropendola | Psarocolius angustifrons | 12 images online, 5 offline |
| Russet-crowned Motmot | Momotus mexicanus | 9 images online, 3 offline |
| Russet-crowned Warbler | Basileuterus coronatus | 8 images online, 10 offline |
| Russet-mantled Softtail | Thripophaga berlepschi | 1 images online, 4 offline |
| Russet-throated Puffbird | Hypnelus ruficollis | 10 images online, 15 offline |
| Russet-winged Spadebill | Platyrinchus leucoryphus | 5 images online, 5 offline |
| Rust-and-yellow Tanager | Thlypopsis ruficeps | 1 images online, 2 offline |
| Rustic Bunting | Emberiza rustica | 10 images online, 4 offline |
| Rusty Blackbird | Euphagus carolinus | 47 images online, 13 offline |
| Rusty Flower-Piercer | Diglossa sittoides | 6 images online, 9 offline |
| Rusty Pitohui | Pitohui ferrugineus | 2 images online, 2 offline |
| Rusty Sparrow | Aimophila rufescens | 2 images online, 8 offline |
| Rusty-backed Antwren | Formicivora rufa | 5 images online, 4 offline |
| Rusty-backed Spinetail | Cranioleuca vulpina | 1 images online, 11 offline |
| Rusty-belted Tapaculo | Liosceles thoracicus | 3 images online, 6 offline |
| Rusty-breasted Antpitta | Grallaricula ferrugineipectus | 1 images online, 8 offline |
| Rusty-breasted Nunlet | Nonnula rubecula | 1 images online, 2 offline |
| Rusty-cheeked Scimitar-Babbler | Pomatorhinus erythrogenys | 1 images online, 4 offline |
| Rusty-collared Seedeater | Sporophila collaris | 7 images online, 5 offline |
| Rusty-fronted Barwing | Actinodura egertoni | 4 images online, 4 offline |
| Rusty-fronted Canastero | Asthenes ottonis | 1 images online, 2 offline |
| Rusty-fronted Tody-Flycatcher | Poecilotriccus latirostris | 5 images online, 17 offline |
| Rusty-headed Spinetail | Synallaxis fuscorufa | 2 images online, 2 offline |
| Rusty-margined Flycatcher | Myiozetetes cayanensis | 13 images online, 14 offline |
| Rusty-margined Guan | Penelope superciliaris | 2 images online, 12 offline |
| Rusty-winged Barbtail | Premnornis guttuligera | 2 images online, 8 offline |
| Rüppell's Starling | Lamprotornis purpuroptera | 10 images online, 6 offline |
| Sabine's Gull | Xema sabini | 46 images online, 17 offline |
| Sabota Lark | Mirafra sabota | 3 image online, 1 offline |
| Sacred Ibis | Threskiornis aethiopicus | 44 images online, 53 offline |
| Sacred Kingfisher | Todirhamphus sanctus | 8 images online, 16 offline |
| Sad Flycatcher | Myiarchus barbirostris | 2 images online, 4 offline |
| Saddle-billed Stork | Ephippiorhynchus senegalensis | 22 images online, 88 offline |
| Saffron Finch | Sicalis flaveola | 15 images online, 24 offline |
| Saffron Toucanet | Baillonius bailloni | 6 images online, 10 offline |
| Saffron-billed Sparrow | Arremon flavirostris | 5 images online, 16 offline |
| Saffron-cowled Blackbird | Xanthopsar flavus | 7 image online, 1 offline |
| Saffron-crowned Tanager | Tangara xanthocephala | 7 images online, 12 offline |
| Sage Sparrow | Amphispiza belli | 36 images online, 10 offline |
| Sage Thrasher | Oreoscoptes montanus | 14 images online, 14 offline |
| Saker Falcon | Falco cherrug | 1 images online, 10 offline |
| Salmon-crested Cockatoo | Cacatua moluccensis | 2 images online, 3 offline |
| Saltmarsh Sharp-tailed Sparrow | Ammodramus caudacutus | 33 images online, 11 offline |
| Salvadori's Pheasant | Lophura inornata | 1 image online, 1 offline |
| Salvin's Curassow | Mitu salvini | 2 images online, 5 offline |
| Salvin's Pigeon | Patagioenas oenops | 1 image online, 1 offline |
| Sand Partridge | Ammoperdix heyi | 1 images online, 2 offline |
| Sand-colored Nighthawk | Chordeiles rupestris | 6 images online, 2 offline |
| Sanderling | Calidris alba | 174 images online, 277 offline |
| Sandhill Crane | Grus canadensis | 433 images online, 255 offline |
| Sandwich Tern | Thalasseus sandvicensis | 99 images online, 74 offline |
| Santa Marta Brush-Finch | Atlapetes melanocephalus | 6 images online, 5 offline |
| Santa Marta Mountain-Tanager | Anisognathus melanogenys | 4 image online, 1 offline |
| Sapayoa | Sapayoa aenigma | 6 images online, 17 offline |
| Sapphire Quail-Dove | Geotrygon saphirina | 6 images online, 14 offline |
| Sapphire-spangled Emerald | Amazilia lactea | 1 images online, 10 offline |
| Sapphire-vented Puffleg | Eriocnemis luciani | 11 images online, 17 offline |
| Sardinian Warbler | Sylvia melanocephala | 2 images online, 2 offline |
| Sarus Crane | Grus antigone | 11 images online, 43 offline |
| Satin Bowerbird | Ptilonorhynchus violaceus | 12 images online, 20 offline |
| Saturnine Antshrike | Thamnomanes saturninus | 1 images online, 7 offline |
| Satyr Tragopan | Tragopan satyra | 2 images online, 2 offline |
| Saunders's Gull | Larus saundersi | 17 images online, 8 offline |
| Savanna Hawk | Buteogallus meridionalis | 11 images online, 24 offline |
| Savanna Nightjar | Caprimulgus affinis | 5 image online, 1 offline |
| Savannah Sparrow | Passerculus sandwichensis | 94 images online, 79 offline |
| Savi's Warbler | Locustella luscinioides | 1 image online, 1 offline |
| Saw-billed Hermit | Ramphodon naevius | 5 images online, 18 offline |
| Say's Phoebe | Sayornis saya | 38 images online, 27 offline |
| Sayaca Tanager | Thraupis sayaca | 4 images online, 14 offline |
| Scale-backed Antbird | Hylophylax poecilinota | 18 images online, 39 offline |
| Scale-crested Pygmy-tyrant | Lophotriccus pileatus | 15 images online, 17 offline |
| Scale-feathered Cuckoo | Lepidogrammus cumingi | 14 images online, 7 offline |
| Scale-throated Earthcreeper | Upucerthia dumetaria | 3 images online, 7 offline |
| Scale-throated Hermit | Phaethornis eurynome | 3 images online, 27 offline |
| Scaled Antbird | Drymophila squamata | 4 images online, 13 offline |
| Scaled Antpitta | Grallaria guatimalensis | 1 image online, 1 offline |
| Scaled Dove | Columbina squammata | 6 images online, 10 offline |
| Scaled Fruiteater | Ampelioides tschudii | 1 images online, 6 offline |
| Scaled Piculet | Picumnus squamulatus | 2 images online, 4 offline |
| Scaled Pigeon | Patagioenas speciosa | 3 image online, 1 offline |
| Scaled Quail | Callipepla squamata | 69 images online, 15 offline |
| Scaled Woodcreeper | Lepidocolaptes squamatus | 1 images online, 4 offline |
| Scaly Thrush | Zoothera dauma | 4 images online, 11 offline |
| Scaly-breasted Bulbul | Pycnonotus squamatus | 5 images online, 3 offline |
| Scaly-breasted Lorikeet | Trichoglossus chlorolepidotus | 3 images online, 2 offline |
| Scaly-breasted Thrasher | Allenia fusca | 5 images online, 6 offline |
| Scaly-breasted Wren | Microcerculus marginatus | 4 images online, 22 offline |
| Scaly-breasted Wren-Babbler | Pnoepyga albiventer | 2 images online, 4 offline |
| Scaly-crowned Babbler | Malacopteron cinereum | 9 images online, 4 offline |
| Scaly-headed Laughingthrush | Garrulax poecilorhynchus | 1 image online, 1 offline |
| Scaly-headed Parrot | Pionus maximiliani | 5 images online, 9 offline |
| Scaly-naped Pigeon | Patagioenas squamosa | 6 images online, 3 offline |
| Scaly-throated Foliage-gleaner | Anabacerthia variegaticeps | 5 images online, 11 offline |
| Scaly-throated Honeyguide | Indicator variegatus | 5 images online, 3 offline |
| Scaly-throated Leaftosser | Sclerurus guatemalensis | 1 images online, 8 offline |
| Scarlet Ibis | Eudocimus ruber | 20 images online, 47 offline |
| Scarlet Macaw | Ara macao | 49 images online, 46 offline |
| Scarlet Minivet | Pericrocotus flammeus | 3 images online, 3 offline |
| Scarlet Robin | Petroica multicolor | 1 images online, 8 offline |
| Scarlet Sunbird | Aethopyga mystacalis | 3 images online, 4 offline |
| Scarlet Tanager | Piranga olivacea | 81 images online, 71 offline |
| Scarlet-and-white Tanager | Chrysothlypis salmoni | 5 images online, 6 offline |
| Scarlet-backed Flowerpecker | Dicaeum cruentatum | 4 images online, 4 offline |
| Scarlet-backed Woodpecker | Veniliornis callonotus | 3 images online, 8 offline |
| Scarlet-bellied Mountain-Tanager | Anisognathus igniventris | 9 images online, 20 offline |
| Scarlet-browed Tanager | Heterospingus xanthopygius | 1 image online, 1 offline |
| Scarlet-chested Parrot | Neophema splendida | 1 images online, 3 offline |
| Scarlet-chested Sunbird | Chalcomitra senegalensis | 7 images online, 14 offline |
| Scarlet-crowned Barbet | Capito aurovirens | 3 images online, 15 offline |
| Scarlet-fronted Parakeet | Aratinga wagleri | 3 image online, 1 offline |
| Scarlet-headed Blackbird | Amblyramphus holosericeus | 6 images online, 10 offline |
| Scarlet-rumped Cacique | Cacicus uropygialis | 13 images online, 3 offline |
| Scarlet-rumped Trogon | Harpactes duvaucelii | 21 images online, 6 offline |
| Scarlet-thighed Dacnis | Dacnis venusta | 9 images online, 7 offline |
| Schalow's Turaco | Tauraco schalowi | 4 images online, 2 offline |
| Schlegel's Whistler | Pachycephala schlegelii | 18 images online, 35 offline |
| Scimitar-billed Woodcreeper | Drymornis bridgesii | 2 images online, 2 offline |
| Scintillant Hummingbird | Selasphorus scintilla | 9 images online, 5 offline |
| Scissor-tailed Flycatcher | Tyrannus forficatus | 53 images online, 36 offline |
| Scissor-tailed Nightjar | Hydropsalis brasiliana | 10 images online, 8 offline |
| Sclater's Parrotlet | Forpus sclateri | 1 images online, 16 offline |
| Sclater's Whistler | Pachycephala soror | 4 images online, 11 offline |
| Scott's Oriole | Icterus parisorum | 50 images online, 29 offline |
| Screaming Cowbird | Molothrus rufoaxillaris | 1 images online, 2 offline |
| Screaming Piha | Lipaugus vociferans | 6 images online, 6 offline |
| Scribble-tailed Canastero | Asthenes maculicauda | 1 image online, 1 offline |
| Scrub Euphonia | Euphonia affinis | 2 image online, 1 offline |
| Scrub Greenlet | Hylophilus flavipes | 3 images online, 8 offline |
| Scrub Tanager | Tangara vitriolina | 5 images online, 15 offline |
| Seaside Cinclodes | Cinclodes nigrofumosus | 3 images online, 3 offline |
| Seaside Sparrow | Ammodramus maritimus | 57 images online, 24 offline |
| Secretarybird | Sagittarius serpentarius | 24 images online, 49 offline |
| Sedge Wren | Cistothorus platensis | 38 images online, 11 offline |
| Semicollared Puffbird | Malacoptila semicincta | 2 images online, 5 offline |
| Semipalmated Plover | Charadrius semipalmatus | 136 images online, 104 offline |
| Semipalmated Sandpiper | Calidris pusilla | 175 images online, 151 offline |
| Semiplumbeous Hawk | Leucopternis semiplumbeus | 6 images online, 13 offline |
| Senegal Coucal | Centropus senegalensis | 3 images online, 2 offline |
| Senegal Lapwing | Vanellus lugubris | 1 images online, 3 offline |
| Senegal Parrot | Poicephalus senegalus | 1 images online, 2 offline |
| Senegal Thick-knee | Burhinus senegalensis | 9 images online, 7 offline |
| Sentinel Rock-Thrush | Monticola explorator | 1 image online, 1 offline |
| Sepia-brown Wren | Cinnycerthia peruana | 4 images online, 15 offline |
| Sepia-capped Flycatcher | Leptopogon amaurocephalus | 12 images online, 22 offline |
| Seram Cuckooshrike | Coracina atriceps | 1 image online, 1 offline |
| Serra Antwren | Formicivora serrana | 4 images online, 10 offline |
| Serra do Mar Tyrannulet | Phylloscartes difficilis | 1 images online, 4 offline |
| Seven-colored Parrotlet | Touit batavica | 3 images online, 6 offline |
| Seven-colored Tanager | Tangara fastuosa | 1 images online, 9 offline |
| Seychelles Blue-Pigeon | Alectroenas pulcherrima | 3 images online, 2 offline |
| Seychelles Kestrel | Falco araea | 1 image online, 1 offline |
| Seychelles Magpie Robin | Copsychus sechellarum | 2 images online, 5 offline |
| Seychelles Scops-Owl | Otus insularis | 3 images online, 7 offline |
| Seychelles Warbler | Bebrornis sechellensis | 1 images online, 6 offline |
| Shaft-tailed Whydah | Vidua regia | 4 image online, 1 offline |
| Sharp-beaked Ground-Finch | Geospiza difficilis | 7 images online, 2 offline |
| Sharp-billed Treehunter | Heliobletus contaminatus | 1 images online, 5 offline |
| Sharp-shinned Hawk | Accipiter striatus | 96 images online, 94 offline |
| Sharp-tailed Grass-Tyrant | Culicivora caudacuta | 4 images online, 3 offline |
| Sharp-tailed Grouse | Tympanuchus phasianellus | 18 images online, 12 offline |
| Sharp-tailed Ibis | Cercibis oxycera | 4 images online, 7 offline |
| Sharp-tailed Sandpiper | Calidris acuminata | 14 images online, 29 offline |
| Sharp-tailed Streamcreeper | Lochmias nematura | 7 images online, 7 offline |
| Sharpbill | Oxyruncus cristatus | 5 images online, 5 offline |
| Sharpe's Longclaw | Macronyx sharpei | 1 images online, 2 offline |
| Shelley's Francolin | Francolinus shelleyi | 1 image online, 1 offline |
| Shikra | Accipiter badius | 6 images online, 8 offline |
| Shining Blue Kingfisher | Alcedo quadribrachys | 1 image online, 1 offline |
| Shining Bronze-Cuckoo | Chalcites lucidus | 1 image online, 1 offline |
| Shining Flycatcher | Myiagra alecto | 2 images online, 13 offline |
| Shining Sunbeam | Aglaeactis cupripennis | 9 images online, 26 offline |
| Shining-green Hummingbird | Lepidopyga goudoti | 1 images online, 3 offline |
| Shiny Cowbird | Molothrus bonariensis | 15 images online, 27 offline |
| Shoebill | Balaeniceps rex | 10 images online, 15 offline |
| Shore Plover | Thinornis novaseelandiae | 10 images online, 4 offline |
| Shorebird sp. | Scolopacid sp. | 19 images onl |
