| Family | Genera | Species |
| | Possible | Seen | Possible | Seen |
| RHEIDAE | Rheas | 1 | 1 | 2 | 1 |
| GAVIIDAE | Loons | 1 | 1 | 5 | 3 |
| MEGAPODIIDAE | Megapodes | 7 | 3 | 19 | 5 |
| PELECANIDAE | Pelicans | 1 | 1 | 8 | 6 |
| PHAETHONTIDAE | Tropicbirds | 1 | 1 | 3 | 1 |
| RALLIDAE | Rails, Gallinules, and Coots | 37 | 18 | 125 | 49 |
| PTEROCLIDAE | Sandgrouse | 2 | 1 | 16 | 6 |
| MUSOPHAGIDAE | Turacos | 6 | 5 | 23 | 9 |
| COLUMBIDAE | Pigeons and Doves | 43 | 26 | 280 | 128 |
| FREGATIDAE | Frigatebirds | 1 | 1 | 5 | 3 |
| MESITORNITHIDAE | Mesites | 2 | 0 | 3 | 0 |
| OTIDIDAE | Bustards | 9 | 4 | 26 | 9 |
| STRIGOPIDAE | New Zealand Parrots | 2 | 0 | 3 | 0 |
| TINAMIDAE | Tinamous | 9 | 5 | 46 | 10 |
| ANHIMIDAE | Screamers | 2 | 2 | 3 | 2 |
| DIOMEDEIDAE | Albatrosses | 4 | 1 | 22 | 3 |
| CHIONIDAE | Sheathbills | 1 | 0 | 2 | 0 |
| BUCCONIDAE | Puffbirds | 10 | 7 | 36 | 23 |
| ACANTHISITTIDAE | New Zealand Wrens | 2 | 0 | 2 | 0 |
| TROGONIDAE | Trogons | 6 | 4 | 42 | 31 |
| LEPTOSOMIDAE | Cuckoo-Roller | 1 | 0 | 1 | 0 |
| APTERYGIDAE | Kiwis | 1 | 0 | 5 | 0 |
| STRUTHIONIDAE | Ostriches | 1 | 1 | 2 | 1 |
| PODICIPEDIDAE | Grebes | 6 | 5 | 19 | 13 |
| COLIIDAE | Mousebirds | 2 | 2 | 6 | 4 |
| LYBIIDAE | African Barbets | 7 | 7 | 42 | 21 |
| PHOENICOPTERIDAE | Flamingos | 2 | 2 | 6 | 4 |
| SPHENISCIDAE | Penguins | 6 | 1 | 17 | 3 |
| OPISTHOCOMIDAE | Hoatzin | 1 | 1 | 1 | 1 |
| CARIAMIDAE | Seriemas | 2 | 1 | 2 | 1 |
| TYTONIDAE | Barn-Owls | 2 | 1 | 14 | 4 |
| UPUPIDAE | Hoopoes | 1 | 1 | 3 | 2 |
| CASUARIIDAE | Cassowaries and Emus | 2 | 0 | 4 | 0 |
| CATHARTIDAE | New World Vultures | 5 | 4 | 7 | 6 |
| SAROTHRURIDAE | Flufftails | 2 | 0 | 11 | 0 |
| PROCELLARIIDAE | Shearwaters and Petrels | 16 | 5 | 87 | 9 |
| PLUVIANELLIDAE | Magellanic Plover | 1 | 0 | 1 | 0 |
| GALBULIDAE | Jacamars | 5 | 5 | 18 | 12 |
| SAGITTARIIDAE | Secretary-bird | 1 | 1 | 1 | 1 |
| CRACIDAE | Guans, Chachalacas, and Curassows | 11 | 6 | 53 | 22 |
| PHOENICULIDAE | Woodhoopoes and Scimitar-bills | 2 | 2 | 8 | 5 |
| CACATUIDAE | Cockatoos | 7 | 2 | 20 | 6 |
| SULIDAE | Boobies and Gannets | 3 | 1 | 10 | 5 |
| ANSERANATIDAE | Magpie Goose | 1 | 0 | 1 | 0 |
| MOMOTIDAE | Motmots | 6 | 5 | 14 | 10 |
| MEGALAIMIDAE | Asian Barbets | 2 | 2 | 33 | 18 |
| EURYPYGIDAE | Sunbittern | 1 | 1 | 1 | 1 |
| CALYPTOMENIDAE | African and Green Broadbill | 2 | 2 | 6 | 3 |
| BALAENICIPITIDAE | Shoebill | 1 | 0 | 1 | 0 |
| PODARGIDAE | Frogmouths | 3 | 2 | 15 | 6 |
| STRIGIDAE | Owls | 25 | 16 | 200 | 60 |
| SCOPIDAE | Hamerkop | 1 | 1 | 1 | 1 |
| NUMIDIDAE | Guineafowl | 4 | 3 | 6 | 3 |
| PSITTACULIDAE | Parrots | 42 | 22 | 151 | 48 |
| HELIORNITHIDAE | Finfoots | 3 | 2 | 3 | 2 |
| CAPITONIDAE | New World Barbets | 2 | 2 | 14 | 9 |
| PHALACROCORACIDAE | Cormorants and Shags | 2 | 2 | 37 | 16 |
| PANDIONIDAE | Osprey | 1 | 1 | 1 | 1 |
| BURHINIDAE | Thick-knees | 2 | 2 | 10 | 6 |
| CAPRIMULGIDAE | Nightjars and Allies | 19 | 15 | 90 | 30 |
| CUCULIDAE | Cuckoos | 33 | 26 | 139 | 74 |
| EURYLAIMIDAE | Asian and Grauer's Broadbills | 6 | 5 | 9 | 6 |
| ALCEDINIDAE | Kingfishers | 19 | 16 | 104 | 54 |
| ANATIDAE | Ducks | 50 | 32 | 159 | 91 |
| ACCIPITRIDAE | Hawks, Eagles, and Kites | 69 | 57 | 239 | 149 |
| PSITTACIDAE | Parrots | 36 | 24 | 156 | 80 |
| NYCTIBIIDAE | Potoos | 1 | 1 | 7 | 4 |
| BUCEROTIDAE | Hornbills | 15 | 10 | 60 | 32 |
| ODONTOPHORIDAE | New World Quail | 10 | 4 | 34 | 11 |
| PLUVIANIDAE | Egyptian Plover | 1 | 0 | 1 | 0 |
| ANHINGIDAE | Anhingas | 1 | 1 | 4 | 3 |
| CICONIIDAE | Storks | 6 | 6 | 19 | 14 |
| HYDROBATIDAE | Storm-Petrels | 7 | 2 | 24 | 5 |
| SAPAYOIDAE | Sapayoa | 1 | 0 | 1 | 0 |
| MEROPIDAE | Bee-eaters | 3 | 3 | 27 | 18 |
| SEMNORNITHIDAE | Toucan-Barbets | 1 | 1 | 2 | 2 |
| ARDEIDAE | Herons, Egrets, and Bitterns | 19 | 17 | 64 | 48 |
| FALCONIDAE | Falcons and Caracaras | 11 | 10 | 65 | 40 |
| RECURVIROSTRIDAE | Stilts and Avocets | 3 | 2 | 9 | 4 |
| PHILEPITTIDAE | Asities | 2 | 0 | 4 | 0 |
| RAMPHASTIDAE | Toucans | 5 | 5 | 41 | 31 |
| STEATORNITHIDAE | Oilbird | 1 | 0 | 1 | 0 |
| PHASIANIDAE | Pheasants, Grouse, and Allies | 48 | 24 | 174 | 44 |
| THRESKIORNITHIDAE | Ibises and Spoonbills | 13 | 9 | 33 | 18 |
| CORACIIDAE | Rollers | 2 | 2 | 12 | 8 |
| IBIDORHYNCHIDAE | Ibisbill | 1 | 0 | 1 | 0 |
| BRACHYPTERACIIDAE | Ground-Rollers | 3 | 0 | 5 | 0 |
| INDICATORIDAE | Honeyguides | 4 | 2 | 17 | 5 |
| AEGOTHELIDAE | Owlet-Nightjars | 1 | 1 | 10 | 1 |
| PITTIDAE | Pittas | 3 | 3 | 42 | 15 |
| THAMNOPHILIDAE | Typical Antbirds | 61 | 45 | 235 | 118 |
| PICIDAE | Woodpeckers | 29 | 24 | 220 | 123 |
| HAEMATOPODIDAE | Oystercatchers | 1 | 1 | 11 | 5 |
| APODIDAE | Swifts | 18 | 15 | 97 | 59 |
| ARAMIDAE | Limpkin | 1 | 1 | 1 | 1 |
| HEMIPROCNIDAE | Treeswifts | 1 | 1 | 4 | 4 |
| MELANOPAREIIDAE | Crescentchests | 1 | 1 | 4 | 2 |
| PSOPHIIDAE | Trumpeters | 1 | 1 | 3 | 2 |
| CHARADRIIDAE | Plovers and Lapwings | 10 | 3 | 68 | 40 |
| CONOPOPHAGIDAE | Gnateaters | 2 | 1 | 11 | 2 |
| PEDIONOMIDAE | Plains-wanderer | 1 | 0 | 1 | 0 |
| TROCHILIDAE | Hummingbirds | 105 | 74 | 336 | 181 |
| GRUIDAE | Cranes | 6 | 4 | 15 | 6 |
| GRALLARIIDAE | Antpittas | 4 | 2 | 53 | 16 |
| THINOCORIDAE | Seedsnipes | 2 | 2 | 4 | 2 |
| ROSTRATULIDAE | Painted-Snipes | 2 | 1 | 3 | 1 |
| RHINOCRYPTIDAE | Tapaculos | 12 | 7 | 58 | 13 |
| JACANIDAE | Jacanas | 6 | 6 | 8 | 7 |
| FORMICARIIDAE | Antthrushes | 2 | 2 | 12 | 6 |
| FURNARIIDAE | Ovenbirds and Woodcreepers | 68 | 49 | 309 | 134 |
| SCOLOPACIDAE | Sandpipers and Allies | 15 | 12 | 89 | 63 |
| TURNICIDAE | Buttonquail | 2 | 1 | 16 | 4 |
| DROMADIDAE | Crab Plover | 1 | 0 | 1 | 0 |
| TYRANNIDAE | Tyrant Flycatchers | 99 | 79 | 419 | 247 |
| OXYRUNCIDAE | Sharpbill | 1 | 1 | 1 | 1 |
| GLAREOLIDAE | Pratincoles and Coursers | 5 | 4 | 17 | 9 |
| STERCORARIIDAE | Skuas and Jaegers | 1 | 1 | 7 | 3 |
| COTINGIDAE | Cotingas | 26 | 19 | 66 | 33 |
| ALCIDAE | Auks. Murres, and Puffins | 10 | 7 | 24 | 11 |
| PIPRIDAE | Manakins | 18 | 17 | 55 | 31 |
| TITYRIDAE | Tityras and Allies | 7 | 5 | 34 | 23 |
| LARIDAE | Gulls, Terns, and Skimmers | 24 | 18 | 98 | 61 |
| MENURIDAE | Lyrebirds | 1 | 0 | 2 | 0 |
| ATRICHORNITHIDAE | Scrub-birds | 1 | 0 | 2 | 0 |
| PTILONORHYNCHIDAE | Bowerbirds | 7 | 4 | 27 | 5 |
| CLIMACTERIDAE | Australasian Treecreepers | 2 | 1 | 7 | 1 |
| MALURIDAE | Fairywrens | 6 | 1 | 32 | 2 |
| MELIPHAGIDAE | Honeyeaters | 51 | 17 | 153 | 36 |
| DASYORNITHIDAE | Bristlebirds | 1 | 0 | 3 | 0 |
| PARDALOTIDAE | Pardalotes | 1 | 0 | 4 | 0 |
| ACANTHIZIDAE | Thornbills and Allies | 14 | 5 | 61 | 14 |
| POMATOSTOMIDAE | Pseudo-Babblers | 1 | 1 | 5 | 1 |
| ORTHONYCHIDAE | Logrunners | 1 | 0 | 3 | 0 |
| CNEMOPHILIDAE | Satinbirds | 2 | 1 | 3 | 2 |
| MELANOCHARITIDAE | Berrypeckers and Longbills | 3 | 2 | 10 | 6 |
| MOHOUIDAE | Whiteheads | 1 | 0 | 3 | 0 |
| PARAMYTHIIDAE | Tit Berrypecker, Crested Berrypecker | 2 | 2 | 2 | 2 |
| CALLAEIDAE | Wattlebirds | 2 | 0 | 3 | 0 |
| NOTIOMYSTIDAE | Stitchbird | 1 | 0 | 1 | 0 |
| PSOPHODIDAE | Whipbirds and Wedgebills | 2 | 0 | 5 | 0 |
| CINCLOSOMATIDAE | Quail-thrushes and Jewel-babblers | 2 | 0 | 9 | 0 |
| PLATYSTEIRIDAE | Wattle-eyes and Batises | 3 | 3 | 28 | 7 |
| VANGIDAE | Vangas, Helmetshrikes and Allies | 21 | 4 | 37 | 8 |
| MALACONOTIDAE | Bushshrikes | 7 | 7 | 48 | 22 |
| MACHAERIRHYNCHIDAE | Boatbills | 1 | 1 | 2 | 1 |
| ARTAMIDAE | Woodswallows | 1 | 1 | 10 | 4 |
| CRACTICIDAE | Bellmagpies and Allies | 4 | 2 | 11 | 5 |
| PITYRIASEIDAE | Bristlehead | 1 | 1 | 1 | 1 |
| AEGITHINIDAE | Ioras | 1 | 1 | 4 | 3 |
| CAMPEPHAGIDAE | Cuckooshrikes | 11 | 8 | 75 | 41 |
| NEOSITTIDAE | Sittellas | 1 | 0 | 2 | 0 |
| EULACESTOMATIDAE | Ploughbill | 1 | 1 | 1 | 1 |
| FALCUNCULIDAE | Shrike-tit | 1 | 0 | 1 | 0 |
| RHAGOLOGIDAE | Mottled Berryhunter | 1 | 1 | 1 | 1 |
| PACHYCEPHALIDAE | Whistlers and Allies | 4 | 3 | 45 | 21 |
| OREOICIDAE | Australo-Papuan Bellbirds | 3 | 1 | 3 | 1 |
| LANIIDAE | Shrikes | 3 | 3 | 31 | 19 |
| VIREONIDAE | Vireos, Shrike-Babblers, and Erpornis | 8 | 8 | 56 | 32 |
| ORIOLIDAE | Old World Orioles | 3 | 3 | 34 | 16 |
| DICRURIDAE | Drongos | 1 | 1 | 24 | 14 |
| RHIPIDURIDAE | Fantails | 3 | 1 | 36 | 15 |
| IFRITIDAE | Ifrita | 1 | 1 | 1 | 1 |
| MONARCHIDAE | Monarch Flycatchers | 16 | 7 | 58 | 17 |
| CORVIDAE | Crows, Jays, and Magpies | 24 | 19 | 117 | 65 |
| CORCORACIDAE | White-winged Chough and Apostlebird | 2 | 0 | 2 | 0 |
| PARADISAEIDAE | Birds-of-paradise | 15 | 14 | 38 | 26 |
| MELAMPITTIDAE | Melampittas | 1 | 0 | 2 | 0 |
| PETROICIDAE | Australasian Robins | 13 | 6 | 46 | 11 |
| PICATHARTIDAE | Rockfowl | 1 | 0 | 2 | 0 |
| CHAETOPIDAE | Rockjumpers | 1 | 0 | 2 | 0 |
| EUPETIDAE | Rail-babbler | 1 | 0 | 1 | 0 |
| PANURIDAE | Bearded Reedling | 1 | 0 | 1 | 0 |
| NICATORIDAE | Nicators | 1 | 1 | 3 | 1 |
| ALAUDIDAE | Larks | 22 | 13 | 96 | 26 |
| HIRUNDINIDAE | Swallows | 18 | 15 | 84 | 45 |
| STENOSTIRIDAE | Fairy Flycatchers | 4 | 3 | 9 | 6 |
| PARIDAE | Tits, Chickadees, and Titmice | 13 | 9 | 59 | 28 |
| REMIZIDAE | Penduline-Tits | 3 | 2 | 10 | 2 |
| AEGITHALIDAE | Long-tailed Tits | 4 | 2 | 12 | 3 |
| SITTIDAE | Nuthatches | 1 | 1 | 26 | 10 |
| TICHODROMIDAE | Wallcreeper | 1 | 1 | 1 | 1 |
| CERTHIIDAE | Treecreepers | 2 | 1 | 10 | 4 |
| TROGLODYTIDAE | Wrens | 19 | 16 | 83 | 48 |
| POLIOPTILIDAE | Gnatcatchers | 3 | 3 | 16 | 7 |
| CINCLIDAE | Dippers | 1 | 1 | 5 | 2 |
| PYCNONOTIDAE | Bulbuls | 23 | 14 | 138 | 57 |
| REGULIDAE | Kinglets | 1 | 1 | 6 | 3 |
| PNOEPYGIDAE | Cupwings | 1 | 1 | 4 | 1 |
| MACROSPHENIDAE | African Warblers | 9 | 4 | 21 | 6 |
| CETTIIDAE | Bush-Warblers and Allies | 9 | 6 | 32 | 8 |
| PHYLLOSCOPIDAE | Leaf Warblers | 2 | 2 | 73 | 35 |
| ACROCEPHALIDAE | Reed-Warblers and Allies | 5 | 3 | 42 | 14 |
| LOCUSTELLIDAE | Grassbirds and Allies | 12 | 4 | 56 | 9 |
| DONACOBIIDAE | Donacobius | 1 | 1 | 1 | 1 |
| BERNIERIDAE | Malagasy Warblers | 8 | 0 | 11 | 0 |
| CISTICOLIDAE | Cisticolas and Allies | 24 | 14 | 152 | 62 |
| SYLVIIDAE | Sylviid Warblers | 2 | 1 | 31 | 9 |
| PARADOXORNITHIDAE | Parrotbills, Wrentit, and Allies | 14 | 6 | 37 | 7 |
| ZOSTEROPIDAE | White-eyes, Yuhinas, and Allies | 15 | 4 | 90 | 25 |
| TIMALIIDAE | Tree-Babblers, Scimitar-Babblers, and Allies | 11 | 7 | 51 | 22 |
| PELLORNEIDAE | Fulvetta and Ground Babblers | 10 | 8 | 55 | 23 |
| LEIOTHRICHIDAE | Laughingthrushes and Allies | 13 | 12 | 138 | 40 |
| PROMEROPIDAE | Sugarbirds | 4 | 0 | 5 | 0 |
| IRENIDAE | Fairy-bluebirds | 1 | 1 | 2 | 1 |
| HYLIOTIDAE | Hyliotas | 1 | 1 | 4 | 1 |
| MUSCICAPIDAE | Old World Flycatchers | 46 | 36 | 315 | 132 |
| TURDIDAE | Thrushes and Allies | 17 | 12 | 148 | 59 |
| MIMIDAE | Mockingbirds and Thrashers | 10 | 3 | 30 | 15 |
| STURNIDAE | Starlings | 33 | 25 | 102 | 55 |
| BUPHAGIDAE | Oxpeckers | 1 | 1 | 2 | 2 |
| CHLOROPSEIDAE | Leafbirds | 1 | 1 | 10 | 7 |
| DICAEIDAE | Flowerpeckers | 2 | 2 | 43 | 20 |
| NECTARINIIDAE | Sunbirds and Spiderhunters | 15 | 11 | 139 | 60 |
| PRUNELLIDAE | Accentors | 1 | 0 | 12 | 0 |
| MOTACILLIDAE | Wagtails and Pipits | 8 | 5 | 66 | 26 |
| UROCYNCHRAMIDAE | Przewalski's Rosefinch | 1 | 0 | 1 | 0 |
| ELACHURIDAE | Spotted Elachura | 1 | 0 | 1 | 0 |
| BOMBYCILLIDAE | Waxwings | 1 | 1 | 3 | 2 |
| PTILIOGONATIDAE | Silky-flycatchers | 3 | 3 | 4 | 3 |
| HYLOCITREIDAE | Hylocitrea | 1 | 1 | 1 | 1 |
| HYPOCOLIIDAE | Hypocolius | 1 | 0 | 1 | 0 |
| PEUCEDRAMIDAE | Olive Warbler | 1 | 1 | 1 | 1 |
| CALCARIIDAE | Longspurs and Snow Buntings | 3 | 3 | 6 | 4 |
| PARULIDAE | New World Warblers | 22 | 16 | 105 | 75 |
| THRAUPIDAE | Tanagers and Allies | 101 | 67 | 376 | 225 |
| EMBERIZIDAE | Buntings and New World Sparrows | 31 | 26 | 171 | 84 |
| CARDINALIDAE | Cardinals and Allies | 14 | 10 | 49 | 32 |
| ICTERIDAE | Troupials and Allies | 28 | 20 | 95 | 70 |
| FRINGILLIDAE | Finches, Euphonias, and Allies | 43 | 18 | 179 | 70 |
| PASSERIDAE | Old World Sparrows | 5 | 3 | 39 | 15 |
| PLOCEIDAE | Weavers and Allies | 16 | 13 | 116 | 58 |
| ESTRILDIDAE | Waxbills and Allies | 33 | 16 | 131 | 39 |
| VIDUIDAE | Indigobirds | 2 | 1 | 20 | 7 |
