World Bird List (IOC)
254 families; 209 seen.
11276 species; 4154 seen (4396 forms).
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Howard & Moore
| Ostriches | Struthionidae |
| Rheas | Rheidae |
| Kiwis | Apterygidae |
| Cassowaries, Emu | Casuariidae |
| Tinamous | Tinamidae |
| Screamers | Anhimidae |
| Magpie Goose | Anseranatidae |
| Ducks, Geese, Swans | Anatidae |
| Megapodes | Megapodiidae |
| Chachalacas, Curassows, Guans | Cracidae |
| Guineafowl | Numididae |
| New World Quail | Odontophoridae |
| Pheasants & Allies | Phasianidae |
| Nightjars | Caprimulgidae |
| Oilbird | Steatornithidae |
| Potoos | Nyctibiidae |
| Frogmouths | Podargidae |
| Owlet-nightjars | Aegothelidae |
| Treeswifts | Hemiprocnidae |
| Swifts | Apodidae |
| Hummingbirds | Trochilidae |
| Turacos | Musophagidae |
| Bustards | Otididae |
| Cuckoos | Cuculidae |
| Mesites | Mesitornithidae |
| Sandgrouse | Pteroclidae |
| Pigeons, Doves | Columbidae |
| Finfoots | Heliornithidae |
| Flufftails & Forest Rails | Sarothruridae |
| Rails, Crakes & Coots | Rallidae |
| Trumpeters | Psophiidae |
| Cranes | Gruidae |
| Limpkin | Aramidae |
| Grebes | Podicipedidae |
| Flamingos | Phoenicopteridae |
| Buttonquail | Turnicidae |
| Stone-curlews, Thick-knees | Burhinidae |
| Magellanic Plover | Pluvianellidae |
| Sheathbills | Chionidae |
| Oystercatchers | Haematopodidae |
| Ibisbill | Ibidorhynchidae |
| Stilts, Avocets | Recurvirostridae |
| Plovers | Charadriidae |
| Egyptian Plover | Pluvianidae |
| Painted-snipes | Rostratulidae |
| Jacanas | Jacanidae |
| Plains-wanderer | Pedionomidae |
| Seedsnipes | Thinocoridae |
| Sandpipers, Snipes | Scolopacidae |
| Crab-plover | Dromadidae |
| Coursers, Pratincoles | Glareolidae |
| Gulls, Terns, Skimmers | Laridae |
| Skuas | Stercorariidae |
| Auks | Alcidae |
| Kagu | Rhynochetidae |
| Sunbittern | Eurypygidae |
| Tropicbirds | Phaethontidae |
| Loons | Gaviidae |
| Penguins | Spheniscidae |
| Austral Storm Petrels | Oceanitidae |
| Albatrosses | Diomedeidae |
| Northern Storm Petrels | Hydrobatidae |
| Petrels, Shearwaters, Diving Petrels | Procellariidae |
| Storks | Ciconiidae |
| Frigatebirds | Fregatidae |
| Gannets, Boobies | Sulidae |
| Anhingas, Darters | Anhingidae |
| Cormorants, Shags | Phalacrocoracidae |
| Ibises, Spoonbills | Threskiornithidae |
| Herons, Bitterns | Ardeidae |
| Hamerkop | Scopidae |
| Shoebill | Balaenicipitidae |
| Pelicans | Pelecanidae |
| Hoatzin | Opisthocomidae |
| New World Vultures | Cathartidae |
| Secretarybird | Sagittariidae |
| Ospreys | Pandionidae |
| Kites, Hawks, Eagles | Accipitridae |
| Barn Owls | Tytonidae |
| Owls | Strigidae |
| Mousebirds | Coliidae |
| Cuckoo-roller | Leptosomidae |
| Trogons | Trogonidae |
| Hoopoes | Upupidae |
| Wood Hoopoes | Phoeniculidae |
| Ground Hornbills | Bucorvidae |
| Hornbills | Bucerotidae |
| Rollers | Coraciidae |
| Ground Rollers | Brachypteraciidae |
| Kingfishers | Alcedinidae |
| Todies | Todidae |
| Motmots | Momotidae |
| Bee-eaters | Meropidae |
| Jacamars | Galbulidae |
| Puffbirds | Bucconidae |
| New World Barbets | Capitonidae |
| Toucan Barbets | Semnornithidae |
| Toucans | Ramphastidae |
| Asian Barbets | Megalaimidae |
| African Barbets | Lybiidae |
| Honeyguides | Indicatoridae |
| Woodpeckers | Picidae |
| Seriemas | Cariamidae |
| Caracaras, Falcons | Falconidae |
| New Zealand Parrots | Strigopidae |
| Cockatoos | Cacatuidae |
| African & New World Parrots | Psittacidae |
| Old World Parrots | Psittaculidae |
| New Zealand Wrens | Acanthisittidae |
| Sapayoa | Sapayoidae |
| Asities | Philepittidae |
| Typical Broadbills | Eurylaimidae |
| African & Green Broadbills | Calyptomenidae |
| Pittas | Pittidae |
| Ovenbirds | Furnariidae |
| Antbirds | Thamnophilidae |
| Antthrushes | Formicariidae |
| Antpittas | Grallariidae |
| Gnateaters | Conopophagidae |
| Tapaculos | Rhinocryptidae |
| Crescentchests | Melanopareiidae |
| Tyrant Flycatchers, Calyptura | Tyrannidae |
| Cotingas | Cotingidae |
| Manakins | Pipridae |
| Tityras, Becards, Sharpbill | Tityridae |
| Lyrebirds | Menuridae |
| Scrubbirds | Atrichornithidae |
| Bowerbirds | Ptilonorhynchidae |
| Australasian Treecreepers | Climacteridae |
| Australasian Wrens | Maluridae |
| Honeyeaters | Meliphagidae |
| Bristlebirds | Dasyornithidae |
| Pardalotes | Pardalotidae |
| Australasian Warblers | Acanthizidae |
| Australasian Babblers | Pomatostomidae |
| Logrunners | Orthonychidae |
| Satinbirds | Cnemophilidae |
| Berrypeckers, Longbills | Melanocharitidae |
| Painted Berrypeckers | Paramythiidae |
| New Zealand Wattlebirds | Callaeidae |
| Stitchbird | Notiomystidae |
| Whipbirds | Psophodidae |
| Jewel-babblers, Quail-thrushes | Cinclosomatidae |
| Wattle-eyes, Batises | Platysteiridae |
| Bushshrikes | Malaconotidae |
| Boatbills | Machaerirhynchidae |
| Vangas & Allies | Vangidae |
| Bristlehead | Pityriasidae |
| Woodswallows, Butcherbirds & Allies | Artamidae |
| Mottled Berryhunter | Rhagologidae |
| Ioras | Aegithinidae |
| Cuckooshrikes | Campephagidae |
| Whiteheads | Mohouidae |
| Sittellas | Neosittidae |
| Ploughbill | Eulacestomatidae |
| Australo-Papuan Bellbirds | Oreoicidae |
| Shriketits | Falcunculidae |
| Whistlers & Allies | Pachycephalidae |
| Vireos, Greenlets, Shrike-babblers | Vireonidae |
| Figbirds, Old World Orioles, Piopios | Oriolidae |
| Drongos | Dicruridae |
| Fantails | Rhipiduridae |
| Monarchs | Monarchidae |
| Jayshrike | Platylophidae |
| Shrikes | Laniidae |
| Crows, Jays | Corvidae |
| Australian Mudnesters | Corcoracidae |
| Melampittas | Melampittidae |
| Ifrit | Ifritidae |
| Birds-of-paradise | Paradisaeidae |
| Australasian Robins | Petroicidae |
| Rockfowl | Picathartidae |
| Rockjumpers | Chaetopidae |
| Rail-babbler | Eupetidae |
| Waxwings | Bombycillidae |
| Silky-flycatchers | Ptiliogonatidae |
| Hypocolius | Hypocoliidae |
| Palmchat | Dulidae |
| Oos | Mohoidae |
| Hylocitrea | Hylocitreidae |
| Fairy Flycatchers | Stenostiridae |
| Tits, Chickadees | Paridae |
| Penduline Tits | Remizidae |
| Nicators | Nicatoridae |
| Bearded Reedling | Panuridae |
| Larks | Alaudidae |
| Bulbuls | Pycnonotidae |
| Swallows, Martins | Hirundinidae |
| Cupwings | Pnoepygidae |
| Crombecs, African Warblers | Macrosphenidae |
| Cettia Bush Warblers & Allies | Cettiidae |
| Streaked Scrub Warbler | Scotocercidae |
| Yellow Flycatchers | Erythrocercidae |
| Hylias | Hyliidae |
| Bushtits | Aegithalidae |
| Leaf Warblers | Phylloscopidae |
| Reed Warblers & Allies | Acrocephalidae |
| Grassbirds & Allies | Locustellidae |
| Black-capped Donacobius | Donacobiidae |
| Tetrakas & Allies | Bernieridae |
| Cisticolas & Allies | Cisticolidae |
| Sylviid Babblers | Sylviidae |
| Parrotbills & Allies | Paradoxornithidae |
| White-eyes | Zosteropidae |
| Babblers, Scimitar Babblers | Timaliidae |
| Ground Babblers | Pellorneidae |
| Alcippe Fulvettas | Alcippeidae |
| Laughingthrushes & Allies | Leiothrichidae |
| Dapple-throat & Allies | Modulatricidae |
| Sugarbirds | Promeropidae |
| Fairy-bluebirds | Irenidae |
| Goldcrests, Kinglets | Regulidae |
| Elachura | Elachuridae |
| Hyliotas | Hyliotidae |
| Wrens | Troglodytidae |
| Gnatcatchers | Polioptilidae |
| Nuthatches | Sittidae |
| Wallcreeper | Tichodromidae |
| Treecreepers | Certhiidae |
| Spotted Creepers | Salpornithidae |
| Mockingbirds, Thrashers | Mimidae |
| Starlings, Rhabdornises | Sturnidae |
| Oxpeckers | Buphagidae |
| Thrushes | Turdidae |
| Chats, Old World Flycatchers | Muscicapidae |
| Dippers | Cinclidae |
| Leafbirds | Chloropseidae |
| Flowerpeckers | Dicaeidae |
| Sunbirds | Nectariniidae |
| Old World Sparrows, Snowfinches | Passeridae |
| Weavers, Widowbirds | Ploceidae |
| Waxbills, Munias & Allies | Estrildidae |
| Indigobirds, Whydahs | Viduidae |
| Olive Warbler | Peucedramidae |
| Accentors | Prunellidae |
| Wagtails, Pipits | Motacillidae |
| Przevalski's Finch | Urocynchramidae |
| Finches, Euphonias | Fringillidae |
| Longspurs, Snow Buntings | Calcariidae |
| Thrush-tanager | Rhodinocichlidae |
| Buntings | Emberizidae |
| New World Sparrows | Passerellidae |
| Chat-tanagers | Calyptophilidae |
| Hispaniolan Palm-tanagers | Phaenicophilidae |
| Puerto Rican Tanager | Nesospingidae |
| Spindalises | Spindalidae |
| Wrenthrush | Zeledoniidae |
| Cuban Warblers | Teretistridae |
| Yellow-breasted Chat | Icteriidae |
| Oropendolas, New World Orioles, Blackbirds | Icteridae |
| New World Warblers | Parulidae |
| Mitrospingid Tanagers | Mitrospingidae |
| Cardinals & Allies | Cardinalidae |
| Tanagers & Allies | Thraupidae |