Taxonomic families
Number of species per family in Birdr. With a country selected, counts include only species with native, rare, or endemic status for that country.
| Family ▲ | Order | English name | Species |
|---|---|---|---|
| Acanthisittidae | Passeriformes | New Zealand Wrens | 4 |
| Acanthizidae | Passeriformes | Thornbills and Allies | 66 |
| Accipitridae | Accipitriformes | Hawks, Eagles, and Kites | 250 |
| Acrocephalidae | Passeriformes | Reed Warblers and Allies | 60 |
| Aegithalidae | Passeriformes | Long-tailed Tits | 11 |
| Aegithinidae | Passeriformes | Ioras | 4 |
| Aegothelidae | Aegotheliformes | Owlet-nightjars | 10 |
| Alaudidae | Passeriformes | Larks | 99 |
| Alcedinidae | Coraciiformes | Kingfishers | 117 |
| Alcidae | Charadriiformes | Auks, Murres, and Puffins | 25 |
| Anatidae | Anseriformes | Ducks, Geese, and Waterfowl | 174 |
| Anhimidae | Anseriformes | Screamers | 3 |
| Anhingidae | Suliformes | Anhingas | 4 |
| Anseranatidae | Anseriformes | Magpie Goose | 1 |
| Apodidae | Apodiformes | Swifts | 114 |
| Apterygidae | Apterygiformes | Kiwis | 5 |
| Aramidae | Gruiformes | Limpkin | 1 |
| Ardeidae | Pelecaniformes | Herons, Egrets, and Bitterns | 75 |
| Artamidae | Passeriformes | Woodswallows, Bellmagpies, and Allies | 24 |
| Atrichornithidae | Passeriformes | Scrub-birds | 2 |
| Balaenicipitidae | Pelecaniformes | Shoebill | 1 |
| Bernieridae | Passeriformes | Malagasy Warblers | 11 |
| Bombycillidae | Passeriformes | Waxwings | 3 |
| Brachypteraciidae | Coraciiformes | Ground-Rollers | 5 |
| Bucconidae | Piciformes | Puffbirds | 37 |
| Bucerotidae | Bucerotiformes | Hornbills | 64 |
| Buphagidae | Passeriformes | Oxpeckers | 2 |
| Burhinidae | Charadriiformes | Thick-knees | 10 |
| Cacatuidae | Psittaciformes | Cockatoos | 22 |
| Calcariidae | Passeriformes | Longspurs and Snow Buntings | 6 |
| Callaeidae | Passeriformes | Wattlebirds | 5 |
| Calyptomenidae | Passeriformes | African and Green Broadbills | 6 |
| Calyptophilidae | Passeriformes | Chat-Tanagers | 2 |
| Campephagidae | Passeriformes | Cuckooshrikes | 111 |
| Capitonidae | Piciformes | New World Barbets | 15 |
| Caprimulgidae | Caprimulgiformes | Nightjars and Allies | 98 |
| Cardinalidae | Passeriformes | Cardinals and Allies | 53 |
| Cariamidae | Cariamiformes | Seriemas | 2 |
| Casuariidae | Casuariiformes | Cassowaries and Emu | 4 |
| Cathartidae | Cathartiformes | New World Vultures | 7 |
| Certhiidae | Passeriformes | Treecreepers | 9 |
| Cettiidae | Passeriformes | Bush Warblers and Allies | 32 |
| Chaetopidae | Passeriformes | Rockjumpers | 2 |
| Charadriidae | Charadriiformes | Plovers and Lapwings | 69 |
| Chionidae | Charadriiformes | Sheathbills | 2 |
| Chloropseidae | Passeriformes | Leafbirds | 12 |
| Ciconiidae | Ciconiiformes | Storks | 20 |
| Cinclidae | Passeriformes | Dippers | 5 |
| Cinclosomatidae | Passeriformes | Quail-thrushes and Jewel-babblers | 12 |
| Cisticolidae | Passeriformes | Cisticolas and Allies | 166 |
| Climacteridae | Passeriformes | Australasian Treecreepers | 7 |
| Cnemophilidae | Passeriformes | Satinbirds | 3 |
| Coliidae | Coliiformes | Mousebirds | 6 |
| Columbidae | Columbiformes | Pigeons and Doves | 353 |
| Conopophagidae | Passeriformes | Gnateaters | 12 |
| Coraciidae | Coraciiformes | Rollers | 13 |
| Corcoracidae | Passeriformes | White-winged Chough and Apostlebird | 2 |
| Corvidae | Passeriformes | Crows, Jays, and Magpies | 139 |
| Cotingidae | Passeriformes | Cotingas | 65 |
| Cracidae | Galliformes | Guans, Chachalacas, and Curassows | 57 |
| Cuculidae | Cuculiformes | Cuckoos | 159 |
| Dasyornithidae | Passeriformes | Bristlebirds | 3 |
| Dicaeidae | Passeriformes | Flowerpeckers | 57 |
| Dicruridae | Passeriformes | Drongos | 28 |
| Diomedeidae | Procellariiformes | Albatrosses | 20 |
| Donacobiidae | Passeriformes | Donacobius | 1 |
| Dromadidae | Charadriiformes | Crab-Plover | 1 |
| Dulidae | Passeriformes | Palmchat | 1 |
| Elachuridae | Passeriformes | Spotted Elachura | 1 |
| Emberizidae | Passeriformes | Old World Buntings | 44 |
| Erythrocercidae | Passeriformes | Yellow Flycatchers | 3 |
| Estrildidae | Passeriformes | Waxbills and Allies | 138 |
| Eulacestomatidae | Passeriformes | Ploughbill | 1 |
| Eupetidae | Passeriformes | Rail-babbler | 1 |
| Euphonias | — | Euphonias | 2 |
| Eurylaimidae | Passeriformes | Asian and Grauer's Broadbills | 10 |
| Eurypygidae | Eurypygiformes | Sunbittern | 1 |
| Falconidae | Falconiformes | Falcons and Caracaras | 65 |
| Falcunculidae | Passeriformes | Shrike-tits | 3 |
| Formicariidae | Passeriformes | Antthrushes | 14 |
| Fregatidae | Suliformes | Frigatebirds | 5 |
| Fringillidae | Passeriformes | Finches, Euphonias, and Allies | 239 |
| Furnariidae | Passeriformes | Ovenbirds and Woodcreepers | 325 |
| Galbulidae | Piciformes | Jacamars | 18 |
| Gaviidae | Gaviiformes | Loons | 5 |
| Glareolidae | Charadriiformes | Pratincoles and Coursers | 17 |
| Grallariidae | Passeriformes | Antpittas | 70 |
| Gruidae | Gruiformes | Cranes | 15 |
| Haematopodidae | Charadriiformes | Oystercatchers | 12 |
| Heliornithidae | Gruiformes | Finfoots | 3 |
| Hemiprocnidae | Apodiformes | Treeswifts | 4 |
| Hirundinidae | Passeriformes | Swallows | 95 |
| Hydrobatidae | Procellariiformes | Northern Storm-Petrels | 18 |
| Hyliidae | Passeriformes | Hylias | 2 |
| Hyliotidae | Passeriformes | Hyliotas | 4 |
| Hylocitreidae | Passeriformes | Hylocitrea | 1 |
| Hypocoliidae | Passeriformes | Hypocolius | 1 |
| Ibidorhynchidae | Charadriiformes | Ibisbill | 1 |
| Icteridae | Passeriformes | Troupials and Allies | 106 |
| Icteriidae | Passeriformes | Yellow-breasted Chat | 1 |
| Ifritidae | Passeriformes | Ifrita | 1 |
| Indicatoridae | Piciformes | Honeyguides | 16 |
| Irenidae | Passeriformes | Fairy-bluebirds | 3 |
| Jacanidae | Charadriiformes | Jacanas | 8 |
| Laniidae | Passeriformes | Shrikes | 34 |
| Laridae | Charadriiformes | Gulls, Terns, and Skimmers | 107 |
| Leiothrichidae | Passeriformes | Laughingthrushes and Allies | 143 |
| Leptosomidae | Leptosomiformes | Cuckoo-roller | 1 |
| Locustellidae | Passeriformes | Grassbirds and Allies | 67 |
| Lybiidae | Piciformes | African Barbets | 43 |
| Machaerirhynchidae | Passeriformes | Boatbills | 2 |
| Macrosphenidae | Passeriformes | African Warblers | 18 |
| Malaconotidae | Passeriformes | Bushshrikes and Allies | 50 |
| Maluridae | Passeriformes | Fairywrens | 34 |
| Megalaimidae | Piciformes | Asian Barbets | 35 |
| Megapodiidae | Galliformes | Megapodes | 21 |
| Melampittidae | Passeriformes | Melampittas | 2 |
| Melanocharitidae | Passeriformes | Berrypeckers and Longbills | 12 |
| Melanopareiidae | Passeriformes | Crescentchests | 4 |
| Meliphagidae | Passeriformes | Honeyeaters | 197 |
| Menuridae | Passeriformes | Lyrebirds | 2 |
| Meropidae | Coraciiformes | Bee-eaters | 31 |
| Mesitornithidae | Mesitornithiformes | Mesites | 3 |
| Mimidae | Passeriformes | Mockingbirds and Thrashers | 36 |
| Mitrospingidae | Passeriformes | Mitrospingid Tanagers | 4 |
| Modulatricidae | Passeriformes | Dapple-throat and Allies | 3 |
| Mohoidae | Passeriformes | Hawaiian Honeyeaters | 5 |
| Mohouidae | Passeriformes | Whiteheads | 3 |
| Momotidae | Coraciiformes | Motmots | 14 |
| Monarchidae | Passeriformes | Monarch Flycatchers | 109 |
| Motacillidae | Passeriformes | Wagtails and Pipits | 70 |
| Muscicapidae | Passeriformes | Old World Flycatchers | 357 |
| Musophagidae | Musophagiformes | Turacos | 23 |
| Nectariniidae | Passeriformes | Sunbirds and Spiderhunters | 152 |
| Neosittidae | Passeriformes | Sittellas | 3 |
| Nicatoridae | Passeriformes | Nicators | 3 |
| Notiomystidae | Passeriformes | Stitchbird | 1 |
| Numididae | Galliformes | Guineafowl | 8 |
| Nyctibiidae | Nyctibiiformes | Potoos | 7 |
| Oceanitidae | Procellariiformes | Southern Storm-Petrels | 10 |
| Odontophoridae | Galliformes | New World Quail | 34 |
| Onychorhynchidae | Passeriformes | Royal Flycatchers and Allies | 7 |
| Opisthocomidae | Opisthocomiformes | Hoatzin | 1 |
| Oreoicidae | Passeriformes | Australo-Papuan Bellbirds | 3 |
| Oriolidae | Passeriformes | Old World Orioles | 41 |
| Orthonychidae | Passeriformes | Logrunners | 3 |
| Otididae | Otidiformes | Bustards | 26 |
| Oxyruncidae | Passeriformes | Sharpbill | 1 |
| Pachycephalidae | Passeriformes | Whistlers and Allies | 72 |
| Pandionidae | Accipitriformes | Osprey | 1 |
| Panuridae | Passeriformes | Bearded Reedling | 1 |
| Paradisaeidae | Passeriformes | Birds-of-Paradise | 44 |
| Paradoxornithidae | Passeriformes | Parrotbills | 38 |
| Paramythiidae | Passeriformes | Tit Berrypecker and Crested Berrypecker | 3 |
| Pardalotidae | Passeriformes | Pardalotes | 4 |
| Paridae | Passeriformes | Tits, Chickadees, and Titmice | 64 |
| Parulidae | Passeriformes | New World Warblers | 117 |
| Passerellidae | Passeriformes | New World Sparrows | 144 |
| Passeridae | Passeriformes | Old World Sparrows | 43 |
| Pedionomidae | Charadriiformes | Plains-wanderer | 1 |
| Pelecanidae | Pelecaniformes | Pelicans | 8 |
| Pellorneidae | Passeriformes | Ground Babblers and Allies | 65 |
| Petroicidae | Passeriformes | Australasian Robins | 51 |
| Peucedramidae | Passeriformes | Olive Warbler | 1 |
| Phaenicophilidae | Passeriformes | Greater Antillean Tanagers | 9 |
| Phaethontidae | Phaethontiformes | Tropicbirds | 3 |
| Phalacrocoracidae | Suliformes | Cormorants and Shags | 41 |
| Phasianidae | Galliformes | Pheasants, Grouse, and Allies | 187 |
| Philepittidae | Passeriformes | Asities | 4 |
| Phoenicopteridae | Phoenicopteriformes | Flamingos | 6 |
| Phoeniculidae | Bucerotiformes | Woodhoopoes and Scimitarbills | 8 |
| Phylloscopidae | Passeriformes | Leaf Warblers | 80 |
| Picathartidae | Passeriformes | Rockfowl | 2 |
| Picidae | Piciformes | Woodpeckers | 236 |
| Pipridae | Passeriformes | Manakins | 55 |
| Pittidae | Passeriformes | Pittas | 47 |
| Pityriasidae | Passeriformes | Bristlehead | 1 |
| Platylophidae | Passeriformes | Crested Jayshrike | 1 |
| Platysteiridae | Passeriformes | Wattle-eyes and Batises | 32 |
| Ploceidae | Passeriformes | Weavers and Allies | 123 |
| Pluvianellidae | Charadriiformes | Magellanic Plover | 1 |
| Pluvianidae | Charadriiformes | Egyptian Plover | 1 |
| Pnoepygidae | Passeriformes | Cupwings | 4 |
| Podargidae | Podargiformes | Frogmouths | 16 |
| Podicipedidae | Podicipediformes | Grebes | 22 |
| Polioptilidae | Passeriformes | Gnatcatchers | 22 |
| Pomatostomidae | Passeriformes | Pseudo-Babblers | 5 |
| Procellariidae | Procellariiformes | Shearwaters and Petrels | 102 |
| Promeropidae | Passeriformes | Sugarbirds | 2 |
| Prunellidae | Passeriformes | Accentors | 12 |
| Psittacidae | Psittaciformes | New World and African Parrots | 184 |
| Psittaculidae | Psittaciformes | Old World Parrots | 202 |
| Psophiidae | Gruiformes | Trumpeters | 3 |
| Psophodidae | Passeriformes | Whipbirds and Wedgebills | 5 |
| Pteroclidae | Pterocliformes | Sandgrouse | 16 |
| Ptiliogonatidae | Passeriformes | Silky-flycatchers | 4 |
| Ptilonorhynchidae | Passeriformes | Bowerbirds | 28 |
| Pycnonotidae | Passeriformes | Bulbuls | 165 |
| Rallidae | Gruiformes | Rails, Gallinules, and Coots | 156 |
| Ramphastidae | Piciformes | Toucans | 38 |
| Recurvirostridae | Charadriiformes | Stilts and Avocets | 9 |
| Regulidae | Passeriformes | Kinglets | 6 |
| Remizidae | Passeriformes | Penduline-Tits | 11 |
| Rhagologidae | Passeriformes | Mottled Berryhunter | 1 |
| Rheidae | Rheiformes | Rheas | 2 |
| Rhinocryptidae | Passeriformes | Tapaculos | 65 |
| Rhipiduridae | Passeriformes | Fantails | 64 |
| Rhodinocichlidae | Passeriformes | Thrush-Tanager | 1 |
| Rhynochetidae | Eurypygiformes | Kagu | 1 |
| Rostratulidae | Charadriiformes | Painted-Snipes | 3 |
| Sagittariidae | Accipitriformes | Secretarybird | 1 |
| Salpornithidae | Passeriformes | Spotted Creepers | 2 |
| Sapayoidae | Passeriformes | Sapayoa | 1 |
| Sarothruridae | Gruiformes | Flufftails | 15 |
| Scimitar-Babblers | — | Scimitar-Babblers | 2 |
| Scolopacidae | Charadriiformes | Sandpipers and Allies | 99 |
| Scopidae | Pelecaniformes | Hamerkop | 1 |
| Semnornithidae | Piciformes | Toucan-Barbets | 2 |
| Sittidae | Passeriformes | Nuthatches | 29 |
| Spheniscidae | Sphenisciformes | Penguins | 20 |
| Steatornithidae | Steatornithiformes | Oilbird | 1 |
| Stenostiridae | Passeriformes | Fairy Flycatchers | 9 |
| Stercorariidae | Charadriiformes | Skuas and Jaegers | 7 |
| Strigidae | Strigiformes | Owls | 229 |
| Strigopidae | Psittaciformes | New Zealand Parrots | 4 |
| Struthionidae | Struthioniformes | Ostriches | 2 |
| Sturnidae | Passeriformes | Starlings | 125 |
| Sulidae | Suliformes | Boobies and Gannets | 11 |
| Sylviidae | Passeriformes | Sylviid Warblers and Allies | 32 |
| Teretistridae | Passeriformes | Cuban Warblers | 2 |
| Thamnophilidae | Passeriformes | Typical Antbirds | 239 |
| Thinocoridae | Charadriiformes | Seedsnipes | 4 |
| Thraupidae | Passeriformes | Tanagers and Allies | 393 |
| Threskiornithidae | Pelecaniformes | Ibises and Spoonbills | 36 |
| Tichodromidae | Passeriformes | Wallcreeper | 1 |
| Timaliidae | Passeriformes | Tree-Babblers, Scimitar-Babblers, and Allies | 58 |
| Tinamidae | Tinamiformes | Tinamous | 46 |
| Tityridae | Passeriformes | Tityras and Allies | 36 |
| Todidae | Coraciiformes | Todies | 5 |
| Trochilidae | Apodiformes | Hummingbirds | 363 |
| Troglodytidae | Passeriformes | Wrens | 98 |
| Trogonidae | Trogoniformes | Trogons | 48 |
| Turdidae | Passeriformes | Thrushes and Allies | 195 |
| Turnicidae | Charadriiformes | Buttonquail | 18 |
| Tyrannidae | Passeriformes | Tyrant Flycatchers | 446 |
| Tytonidae | Strigiformes | Barn-Owls | 20 |
| Upupidae | Bucerotiformes | Hoopoes | 3 |
| Urocynchramidae | Passeriformes | Przevalski's Pinktail | 1 |
| Vangidae | Passeriformes | Vangas, Helmetshrikes, and Allies | 40 |
| Viduidae | Passeriformes | Whydahs and Indigobirds | 20 |
| Vireonidae | Passeriformes | Vireos, Shrike-Babblers, and Erpornis | 67 |
| Zeledoniidae | Passeriformes | Wrenthrush | 1 |
| Zosteropidae | Passeriformes | White-eyes, Yuhinas, and Allies | 150 |