Acanthisittidae (New Zealand Wrens) (2 online, 16 offline)
Acanthizidae (Thornbills & allies) (38 online, 168 offline)
Accipitridae (Hawks, Eagles, & Kites) (3520 online, 7073 offline)
Aegithalidae (Long-tailed Tits) (62 online, 98 offline)
Aegothalidae (Owlet-Nightjars) (5 online, 19 offline)
Alaudidae (Larks) (241 online, 390 offline)
Alcedenidae (Kingfishers) (593 online, 1235 offline)
Alcidae (Auks, Murrres, Puffins, & allies) (912 online, 1508 offline)
Anatidae (Ducks, Geese & Swans) (5757 online, 9293 offline)
Anhimidae (Screamers) (22 online, 74 offline)
Anhingidae (Anhingas) (145 online, 356 offline)
Apodidae (Swifts) (166 online, 280 offline)
Apterygidae (Kiwis) (11 online, 21 offline)
Aramidae (Limpkin) (43 online, 103 offline)
Ardeidae (Herons, Egrets, Bitterns) (2290 online, 4961 offline)
Artamidae (Wood-Swallows) (13 online, 30 offline)
Atrichorn (Scrub-birds) (0 offline)
Balaenicipitidae (Shoebill) (9 online, 25 offline)
Bombycilidae (Waxwings) (184 online, 312 offline)
Brachypteraciidae (Ground-Rollers) (2 online, 3 offline)
Bucconidae (Puffbirds, etc) (148 online, 424 offline)
Buceridae (Hornbills) (225 online, 399 offline)
Burhinidae (Thick-knees) (72 online, 134 offline)
Callaeidae (Wattlebirds) (5 online, 7 offline)
Campephagidae (Cuckoo-Shrikes) (35 online, 72 offline)
Capitonidae (Barbets) (0 offline)
Caprimulgidae (Nightjars & allies) (372 online, 708 offline)
Cariamidae (Seriemas) (17 online, 43 offline)
Casuaridae (Cassowaries) (20 online, 33 offline)
Cathartidae (New World Vultures) (365 online, 664 offline)
Certhiidae (Creepers) (30 online, 88 offline)
Charadridae (Plovers & Lapwings) (1324 online, 2572 offline)
Chionidae (Sheathbills) (34 online, 94 offline)
Chloropseidae (Leafbirds & Ioras) (25 online, 53 offline)
Ciconiidae (Storks) (599 online, 2046 offline)
Cinclidae (Dippers) (101 online, 146 offline)
Climacteridae (Australasian Treecreepers) (5 online, 9 offline)
Coerebidae (Bananaquit) (69 online, 167 offline)
Coliidae (Mousebirds) (42 online, 88 offline)
Columbidae (Doves & Pigeons) (1158 online, 2285 offline)
Coracidae (Typical Rollers) (109 online, 182 offline)
Corcoracidae (White-winged Chough & Apostlebird) (4 online, 16 offline)
Corvidae (Crows, Jays, & Magpies) (1112 online, 1898 offline)
Cotingidae (Cotingas) (167 online, 502 offline)
Cracidae (Guans, Chachalacas, & allies) (145 online, 369 offline)
Cracticidae (Bellmagpies & allies) (23 online, 71 offline)
Cuculidae (Cuckoos & Anis) (465 online, 955 offline)
Dendrocolaptidae (Woodcreepers) (146 online, 610 offline)
Dicaeidae (Berrypeckers, Flowerpeckers, & Pardalotes) (87 online, 178 offline)
Dicruidae (Drongos) (58 online, 122 offline)
Diomedidae (Albatrosses) (776 online, 1421 offline)
Drepanidae (Hawaiian Honeycreepers) (58 online, 118 offline)
Dromadidae (Crab-Plover) (13 online, 27 offline)
Dromaiidae (Emu) (21 online, 35 offline)
Dulidae (Palmchat) (10 online, 17 offline)
Emberizidae (Sparrows and Buntings) (4163 online, 7957 offline)
Estrilidae (Waxbills & allies) (260 online, 552 offline)
Eurylaimidae (Broadbillls) (92 online, 138 offline)
Eurypygidae (Sunbittern) (31 online, 61 offline)
Falconidae (Falcons, Caracaras) (920 online, 1957 offline)
Formicaridae (Antbirds) (849 online, 2804 offline)
Fossil (Old Bones) (5 online, 7 offline)
Fregatidae (Frigatebirds) (244 online, 475 offline)
Fringillidae (Finches) (1253 online, 2199 offline)
Furnariidae (Ovenbirds) (460 online, 1514 offline)
Galbulidae (Jacamars) (56 online, 192 offline)
Gaviidae (Loons) (318 online, 533 offline)
Glareolidae (Pratincoles & Coursers) (98 online, 143 offline)
Gralinidae (Mudnest-builders) (21 online, 65 offline)
Gruidae (Cranes) (878 online, 1458 offline)
Haematopodidae (Oystercatchers) (298 online, 570 offline)
Heliornithidae (Sungrebe & Finfoot) (11 online, 16 offline)
Hemiprocnidae (Treeswifts) (4 online, 12 offline)
Hirundidae (Swallows) (710 online, 1300 offline)
Homidae (Human) (352 online, 564 offline)
Hydrobatidae (Storm-Petrels) (184 online, 304 offline)
Ibidorhynchidae (Ibisbill) (7 online, 9 offline)
Icteridae (Blackbirds, etc) (1636 online, 3131 offline)
Indicatoridae (Honeyguides) (26 online, 55 offline)
Irenidae (Fairy Bluebirds) (25 online, 34 offline)
Jacanidae (Jacanidae) (85 online, 171 offline)
Laniidae (Shrikes) (239 online, 388 offline)
Laridae (Gulls) (3034 online, 5451 offline)
Leptosomatidae (Cuckoo-Roller) (7 online, 12 offline)
Malaconotidae (Bushshrikes & allies) (61 online, 107 offline)
Maluridae (Fairywrens) (30 online, 80 offline)
Megapodidae (Megepodes) (47 online, 68 offline)
Meleagridae (Turkeys) (114 online, 174 offline)
Meliphagidae (Honey-eaters) (151 online, 445 offline)
Menuridae (Lyrebirds) (2 online, 6 offline)
Meropidae (Bee-eaters) (189 online, 341 offline)
Mesitornithidae (Mesites) (1 online, 2 offline)
Mimidae (Mimic-Thrushes) (536 online, 1095 offline)
Momotidae (Motmots) (85 online, 253 offline)
Monarchidae (Monarch Flycatchers) (178 online, 437 offline)
Motacilidae (Pipits, Wagtails) (367 online, 643 offline)
Muscicapididae (Old World Flycatchers) (363 online, 740 offline)
Musophagidae (Turacos) (108 online, 240 offline)
Nectariniidae (Sunbirds & Spiderhunters) (297 online, 620 offline)
Neosittidae (Sittellas) (5 online, 9 offline)
Numidae (Guineafowl) (49 online, 103 offline)
Nyctidromidae (Potoos) (72 online, 154 offline)
Opisthocomidae (Hoatzin) (36 online, 48 offline)
Oriolidae (Old World Orioles) (58 online, 93 offline)
Otidae (Bustards) (171 online, 278 offline)
Oxyruncidae (Sharpbill) (5 online, 10 offline)
Pachycephalidae (Whistlers & allies) (90 online, 337 offline)
Pandionidae (Osprey) (200 online, 521 offline)
Paradiseidae (Birds-of-Paradise) (94 online, 703 offline)
Paridae (Chickadees & Tits) (475 online, 911 offline)
Parulidae (New World Warblers) (2976 online, 5579 offline)
Passeridae (Old World Sparrows) (157 online, 272 offline)
Pedionomidae (Plains-wanderer) (2 online, 5 offline)
Pelecanidae (Pelicans) (643 online, 1575 offline)
Pelecanoididae (Diving-Petrels) (20 online, 33 offline)
Phaethontidae (Tropicbirds) (134 online, 282 offline)
Phalacrocoracidae (Cormorants) (736 online, 1460 offline)
Phasianidae (Pheasants, & Partridges) (760 online, 1329 offline)
Philepittidae (Asities) (2 online, 5 offline)
Phoenicopteridae (Flamingos) (294 online, 1205 offline)
Phoeniculidae (Wood-Hoopoes) (23 online, 29 offline)
Phytotomidae (Plant-cutters) (8 online, 25 offline)
Picathartidae (Rockfowl) (17 online, 40 offline)
Picidae (Woodpeckers & allies) (1390 online, 2825 offline)
Pipridae (Manakins) (216 online, 1127 offline)
Pittidae (Pittas) (85 online, 179 offline)
Pityriasidae (Bornean Bristlehead) (0 offline)
Ploceidae (Weavers & allies) (366 online, 691 offline)
Pluvianellidae (Magellanic Plover) (9 online, 17 offline)
Podargidae (Frogmouths) (31 online, 114 offline)
Podicipedidae (Grebes) (588 online, 1124 offline)
Prionopidae (Helmet-Shrikes) (25 online, 44 offline)
Procellariidae (Shearwaters & Petrels) (753 online, 1446 offline)
Promeropidae (Sugarbirds) (8 online, 17 offline)
Prunellidae (Accentors) (32 online, 51 offline)
Psittacidae (Cocatoos, Parrots, Macaws, & allies) (108 online, 240 offline)
Psophiidae (Trumpeters) (7 online, 32 offline)
Pteroclididae (Sandgrouse) (96 online, 170 offline)
Ptilogonatidae (Silky-Flycatchers) (62 online, 118 offline)
Ptilonorhynchidae (Bowerbirds) (66 online, 274 offline)
Pycnonotidae (Bulbuls) (336 online, 519 offline)
Rallidae (Rails, Gallinules, & Coots) (700 online, 1387 offline)
Ramphastidae (Toucans) (231 online, 547 offline)
Raphidae (Dodo) (1 online, 9 offline)
Recurvirostridae (Avocets & Stilts) (298 online, 810 offline)
Remizidae (Penduline Tits) (53 online, 89 offline)
Rhabdornithidae (Phillipine Creepers) (0 offline)
Rheidae (Rheas) (28 online, 59 offline)
Rhinocryptidae (Tapaculos) (48 online, 110 offline)
Rhipiduridae (Fantails) (51 online, 152 offline)
Rhynochetidae (Kagu) (2 online, 6 offline)
Rostratulidae (Painted-Snipe) (13 online, 27 offline)
Rynchopidae (Skimmers) (244 online, 449 offline)
Sagittariidae (Secretary-bird) (24 online, 73 offline)
Salpornidae (Spotted Creeper) (2 online, 2 offline)
Scolopacidae (Sandpipers & allies) (3968 online, 7361 offline)
Scopidae (Hamerkop) (27 online, 83 offline)
Sittidae (Nuthatches) (183 online, 330 offline)
Spheniscidae (Penguins) (984 online, 2282 offline)
Steatornithidae (Oilbird) (6 online, 26 offline)
Stercoraridae (Skuas & Jaegers) (332 online, 540 offline)
Sternidae (Terns) (1600 online, 3010 offline)
Strigidae (Typical Owls) (1586 online, 3031 offline)
Struthidae (Ostrich) (90 online, 144 offline)
Sturnidae (Starlings) (361 online, 719 offline)
Sulidae (Boobies & Gannets) (633 online, 1169 offline)
Sylviidae (Old World Warblers) (708 online, 1304 offline)
Tetraonidae (Grouse) (568 online, 942 offline)
Thinocoridae (Seedsnipes) (34 online, 58 offline)
Thraupidae (Tanagers & allies) (1616 online, 4232 offline)
Threskiornithidae (Ibises & Spoonbills) (643 online, 1525 offline)
Tichodromidae (Wallcreeper) (5 online, 5 offline)
Timalidae (Babblers & allies) (415 online, 711 offline)
Tinamidae (Tinamous) (54 online, 144 offline)
Todidae (Todies) (34 online, 79 offline)
Trochillidae (Hummingbirds) (2926 online, 7854 offline)
Troglodytidae (Wrens) (678 online, 1367 offline)
Trogonidae (Quetzals, Trogons) (282 online, 563 offline)
Turdidae (Robins, Thrushes, & allies) (1850 online, 3531 offline)
Turnagridae (Piopio) (0 offline)
Turnicidae (Buttonquail) (7 online, 15 offline)
Tyranidae (Tyrant-Flycatchers) (2424 online, 5725 offline)
Tytonidae (Barn Owls) (90 online, 173 offline)
Upupidae (Hoopoe) (34 online, 51 offline)
Vangidae (Vangas) (4 online, 7 offline)
Viduidae (Indigobirds) (21 online, 31 offline)
Vireonidae (Vireos & allies) (420 online, 874 offline)
Zosteropidae (White-eyes) (76 online, 179 offline)
