The Sibley-Monroe checklist was a study of birds conducted by Charles Sibley and Burt Monroe. It drew on extensive DNA-DNA hybridisation studies to reassess the relationships between modern birds.
The Sibley-Monroe assignment of individual species to families, and of families to orders remains controversial however. Critics maintain that while it marks a great leap forward so far as the evidence from DNA-DNA hybridisation goes, it pays insufficient attention to other forms of evidence, both molecular and on a larger scale. There is no true consensus, but the broad middle-ground position is that the Sibley-Monroe classification, overall, is "about 80% correct". Research and debate concerning bird classification continue.
There are 9,994 species on the checklist, which is begun below and continues in several parts.
Struthio camelus (ostrich)
Rhea americana (greater rhea)
Rhea pennata (lesser rhea)
Casuarius casuarius (southern cassowary)
Casuarius bennetti (dwarf cassowary)
Casuarius unappendiculatus (northern cassowary)
Dromaius novaehollandiae (emu)
Apteryx australis (brown kiwi)
Apteryx owenii (little spotted kiwi)
Apteryx haastii (great spotted kiwi)
Tinamus tao (grey tinamou)
Tinamus solitarius (solitary tinamou)
Tinamus osgoodi (black tinamou)
Tinamus major (great tinamou)
Tinamus guttatus (white-throated tinamou)
Nothocercus bonapartei (highland tinamou)
Nothocercus julius (tawny-breasted tinamou)
Nothocercus nigrocapillus (hooded tinamou)
Crypturellus berlepschi (Berlepsch's tinamou)
Crypturellus cinereus (cinereous tinamou)
Crypturellus soui (little tinamou)
Crypturellus ptaritepui (tepui tinamou)
Crypturellus obsoletus (brown tinamou)
Crypturellus cinnamomeus (thicket tinamou)
Crypturellus undulatus (undulated tinamou)
Crypturellus transfasciatus (pale-browed tinamou)
Crypturellus strigulosus (Brazilian tinamou)
Crypturellus boucardi (slaty-breasted tinamou)
Crypturellus kerriae (Choco tinamou)
Crypturellus erythropus (red-legged tinamou)
Crypturellus duidae (grey-legged tinamou)
Crypturellus noctivagus (yellow-legged tinamou)
Crypturellus atrocapillus (black-capped tinamou)
Crypturellus variegatus (variegated tinamou)
Crypturellus brevirostris (rusty tinamou)
Crypturellus bartletti (Bartlett's tinamou)
Crypturellus parvirostris (small-billed tinamou)
Crypturellus casiquiare (barred tinamou)
Crypturellus tataupa (tataupa tinamou)
Rhynchotus rufescens (red-winged tinamou)
Nothoprocta taczanowskii (Taczanowski's tinamou)
Nothoprocta kalinowskii (Kalinowski's tinamou)
Nothoprocta ornata (ornate tinamou)
Nothoprocta pentlandii (Andean tinamou)
Nothoprocta cinerascens (brushland tinamou)
Nothoprocta perdicaria (Chilean tinamou)
Nothoprocta curvirostris (curve-billed tinamou)
Nothura darwinii (Darwin's nothura)
Nothura chacoensis (Chaco nothura)
Nothura maculosa (spotted nothura)
Nothura minor (lesser nothura)
Nothura boraquira (white-bellied nothura)
Taoniscus nanus (dwarf tinamou)
Eudromia elegans (elegant crested tinamou)
Eudromia formosa (quebracho crested tinamou)
Tinamotis pentlandii (puna tinamou)
Tinamotis ingoufi (Patagonian tinamou)
Ortalis vetula (plain chachalaca)
Ortalis cinereiceps (grey-headed chachalaca)
Ortalis garrula (chestnut-winged chachalaca)
Ortalis ruficauda (rufous-vented chachalaca)
Ortalis erythroptera (rufous-headed chachalaca)
Ortalis wagleri (rufous-bellied chachalaca)
Ortalis poliocephala (West Mexican chachalaca)
Ortalis canicollis (Chaco chachalaca)
Ortalis leucogastra (white-bellied chachalaca)
Ortalis guttata (speckled chachalaca)
Ortalis motmot (little chachalaca)
Ortalis superciliaris (buff-browed chachalaca)
Penelope argyrotis (band-tailed guan)
Penelope barbata (bearded guan)
Penelope ortoni (Baudo guan)
Penelope montagnii (Andean guan)
Penelope marail (marail guan)
Penelope superciliaris (rusty-margined guan)
Penelope dabbenei (red-faced guan)
Penelope purpurascens (crested guan)
Penelope perspicax (Cauca guan)
Penelope albipennis (white-winged guan)
Penelope jacquacu (Spix's guan)
Penelope obscura (dusky-legged guan)
Penelope pileata (white-crested guan)
Penelope ochrogaster (chestnut-bellied guan)
Penelope jacucaca (white-browed guan)
Pipile pipile (Trinidad piping guan)
Pipile cumanensis (blue-throated piping guan)
Pipile cujubi (red-throated piping guan)
Pipile jacutinga (black-fronted piping guan)
Aburria aburri (wattled guan)
Chamaepetes unicolor (black guan)
Chamaepetes goudotii (sickle-winged guan)
Penelopina nigra (highland guan)
Oreophasis derbianus (horned guan)
Nothocrax urumutum (nocturnal curassow)
Mitu tomentosa (crestless curassow)
Mitu salvini (Salvin's curassow)
Mitu tuberosa (razor-billed curassow)
Mitu mitu (Alagoas curassow)
Pauxi pauxi (helmeted curassow)
Pauxi unicornis (horned curassow)
Crax rubra (great curassow)
Crax alberti (blue-knobbed curassow)
Crax daubentoni (yellow-knobbed curassow)
Crax alector (black curassow)
Crax globulosa (wattled curassow)
Crax fasciolata (bare-faced curassow)
Crax blumenbachii (red-billed curassow)
Alectura lathami (Australian brushturkey)
Aepypodius arfakianus (wattled brushturkey)
Aepypodius bruijnii (Bruijn's brushturkey)
Talegalla cuvieri (red-billed brushturkey)
Talegalla fuscirostris (black-billed brushturkey)
Talegalla jobiensis (brown-collared brushturkey)
Macrocephalon maleo (maleo)
Megapodius nicobariensis (Nicobar scrubfowl)
Megapodius cumingii (Tabon scrubfowl)
Megapodius bernsteinii (Sula scrubfowl)
Megapodius reinwardt (orange-footed scrubfowl)
Megapodius freycinet (dusky scrubfowl)
Megapodius affinis (New Guinea scrubfowl)
Megapodius eremita (Melanesian scrubfowl)
Megapodius layardi (Vanuatu scrubfowl)
Megapodius laperouse (Micronesian scrubfowl)
Megapodius pritchardii (Niaufoou scrubfowl)
Megapodius wallacei (Moluccan scrubfowl)
Leipoa ocellata (malleefowl)
Lerwa lerwa (snow partridge)
Ammoperdix griseogularis (see-see partridge)
Ammoperdix heyi (sand partridge)
Tetraogallus caucasicus (Caucasian snowcock)
Tetraogallus caspius (Caspian snowcock)
Tetraogallus tibetanus (Tibetan snowcock)
Tetraogallus altaicus (Altai snowcock)
Tetraogallus himalayensis (Himalayan snowcock)
Tetraophasis obscurus (chestnut-throated partridge)
Tetraophasis szechenyii (buff-throated partridge)
Alectoris graeca (rock partridge)
Alectoris chukar (chukar)
Alectoris philbyi (Philby's partridge)
Alectoris magna (rusty-necklaced partridge)
Alectoris barbara (Barbary partridge)
Alectoris rufa (red-legged partridge)
Alectoris melanocephala (Arabian partridge)
Francolinus francolinus (black francolin)
Francolinus pictus (painted francolin)
Francolinus pintadeanus (Chinese francolin)
Francolinus pondicerianus (grey francolin)
Francolinus gularis (swamp francolin)
Francolinus coqui (coqui francolin)
Francolinus albogularis (white-throated francolin)
Francolinus schlegelii (Schlegel's francolin)
Francolinus lathami (forest francolin)
Francolinus sephaena (crested francolin)
Francolinus streptophorus (ring-necked francolin)
Francolinus finschi (Finsch's francolin)
Francolinus africanus (grey-winged francolin)
Francolinus levaillantii (red-winged francolin)
Francolinus psilolaemus (moorland francolin)
Francolinus shelleyi (Shelley's francolin)
Francolinus levaillantoides (Orange River francolin)
Francolinus nahani (Nahan's francolin)
Francolinus hartlaubi (Hartlaub's francolin)
Francolinus bicalcaratus (double-spurred francolin)
Francolinus clappertoni (clapperton's francolin)
Francolinus icterorhynchus (Heuglin's francolin)
Francolinus harwoodi (Harwood's francolin)
Francolinus adspersus (red-billed francolin)
Francolinus capensis (Cape francolin)
Francolinus hildebrandti (Hildebrandt's francolin)
Francolinus natalensis (Natal francolin)
Francolinus ahantensis (Ahanta francolin)
Francolinus squamatus (scaly francolin)
Francolinus griseostriatus (grey-striped francolin)
Francolinus leucoscepus (yellow-necked spurfowl)
Francolinus rufopictus (grey-breasted spurfowl)
Francolinus afer (red-necked spurfowl)
Francolinus swainsonii (Swainson's spurfowl)
Francolinus erckelii (Erckel's francolin)
Francolinus ochropectus (ochre-breasted francolin)
Francolinus castaneicollis (chestnut-naped francolin)
Francolinus nobilis (handsome francolin)
Francolinus jacksoni (Jackson's francolin)
Francolinus camerunensis (Cameroon francolin)
Francolinus swierstrai (Swierstra's francolin)
Perdix perdix (grey partridge)
Perdix dauurica (Daurian partridge)
Perdix hodgsoniae (Tibetan partridge)
Rhizothera longirostris (long-billed partridge)
Margaroperdix madagarensis (Madagascar partridge)
Melanoperdix nigra (black partridge)
Coturnix coturnix (common quail)
Coturnix japonica (Japanese quail)
Coturnix pectoralis (stubble quail)
Coturnix novaezelandiae (New Zealand quail)
Coturnix coromandelica (rain quail)
Coturnix delegorguei (harlequin quail)
Coturnix ypsilophora (brown quail)
Coturnix adansonii (blue quail)
Coturnix chinensis (blue-breasted quail)
Anurophasis monorthonyx (Snow Mountains quail)
Perdicula asiatica (jungle bush quail)
Perdicula argoondah (rock bush quail)
Perdicula erythrorhyncha (painted bush quail)
Perdicula manipurensis (Manipur bush quail)
Arborophila torqueola (hill partridge)
Arborophila rufogularis (rufous-throated partridge)
Arborophila atrogularis (white-cheeked partridge)
Arborophila crudigularis (Taiwan partridge)
Arborophila mandellii (chestnut-breasted partridge)
Arborophila brunneopectus (bar-backed partridge)
Arborophila rufipectus (Sichuan partridge)
Arborophila orientalis (grey-breasted partridge)
Arborophila javanica (chestnut-bellied partridge)
Arborophila hyperythra (red-breasted partridge)
Arborophila gingica (white-necklaced partridge)
Arborophila davidi (orange-necked partridge)
Arborophila cambodiana (chestnut-headed partridge)
Arborophila rubrirostris (red-billed partridge)
Arborophila ardens (Hainan partridge)
Arborophila chloropus (scaly-breasted partridge)
Arborophila merlini (Annam partridge)
Arborophila charltonii (chestnut-necklaced partridge)
Caloperdix oculea (ferruginous partridge)
Haematortyx sanguiniceps (crimson-headed partridge)
Rollulus rouloul (crested partridge)
Ptilopachus petrosus (stone partridge)
Bambusicola fytchii (mountain bamboo partridge)
Bambusicola thoracica (Chinese bamboo partridge)
Galloperdix spadicea (red spurfowl)
Galloperdix lunulata (painted spurfowl)
Galloperdix bicalcarata (Ceylon spurfowl)
Ophrysia superciliosa (Himalayan quail)
Ithaginis cruentus (blood pheasant)
Tragopan melanocephalus (western tragopan)
Tragopan satyra (satyr tragopan)
Tragopan blythii (Blyth's tragopan)
Tragopan temminckii (Temminck's tragopan)
Tragopan caboti (Cabot's tragopan)
Pucrasia macrolopha (koklass pheasant)
Lophophorus impejanus (Himalayan monal)
Lophophorus sclateri (Sclater's monal)
Lophophorus lhuysii (Chinese monal)
Gallus gallus (red junglefowl)
Gallus sonneratii (grey junglefowl)
Gallus lafayetii (Ceylon junglefowl)
Gallus varius (green junglefowl)
Lophura leucomelanos (kalij pheasant)
Lophura nycthemera (silver pheasant)
Lophura imperialis (imperial pheasant)
Lophura edwardsi (Edwards's pheasant)
Lophura hatinhensis (Vietnam fireback pheasant)
Lophura swinhoii (Swinhoe's pheasant)
Lophura hoogerwerfi (Sumatran pheasant)
Lophura inornata (Salvadori's pheasant)
Lophura erythrophthalma (crestless fireback pheasant)
Lophura ignita (crested fireback pheasant)
Lophura diardi (Siamese fireback pheasant)
Lophura bulweri (Bulwer's pheasant)
Crossoptilon harmani (Tibetan eared pheasant)
Crossoptilon crossoptilon (white eared pheasant)
Crossoptilon mantchuricum (brown eared pheasant)
Crossoptilon auritum (blue eared pheasant)
Catreus wallichii (cheer pheasant)
Syrmaticus ellioti (Elliot's pheasant)
Syrmaticus humiae (Hume's pheasant)
Syrmaticus mikado (Mikado pheasant)
Syrmaticus soemmerringii (copper pheasant)
Syrmaticus reevesii (Reeves's pheasant)
Phasianus colchicus (common pheasant)
Chrysolophus pictus (golden pheasant)
Chrysolophus amherstiae (Lady Amherst's pheasant)
Polyplectron chalcurum (bronze-tailed peacock pheasant)
Polyplectron inopinatum (mountain peacock pheasant)
Polyplectron germaini (Germain's peacock pheasant)
Polyplectron bicalcaratum (grey peacock pheasant)
Polyplectron malacense (Malayan peacock pheasant)
Polyplectron schleiermacheri (Bornean peacock pheasant)
Polyplectron emphanum (Palawan peacock pheasant)
Rheinardia ocellata (crested argus)
Argusianus argus (great argus)
Afropavo congensis (Congo peafowl)
Pavo cristatus (Indian peafowl)
Pavo muticus (green peafowl)
Dendragapus falcipennis (Siberian grouse)
Dendragapus canadensis (spruce grouse)
Dendragapus obscurus (dusky grouse)
Lagopus lagopus (willow ptarmigan)
Lagopus mutus (rock ptarmigan)
Lagopus leucurus (white-tailed ptarmigan)
Tetrao tetrix (black grouse)
Tetrao mlokosiewiczi (Caucasian grouse)
Tetrao urogallus (western capercaillie)
Tetrao parvirostris (black-billed capercaillie)
Bonasa bonasia (hazel grouse)
Bonasa sewerzowi (Chinese grouse)
Bonasa umbellus (ruffed grouse)
Centrocercus urophasianus (sage grouse)
Tympanuchus phasianellus (sharp-tailed grouse)
Tympanuchus cupido (greater prairie chicken)
Tympanuchus pallidicinctus (lesser prairie chicken)
Meleagris gallopavo (wild turkey)
Agriocharis ocellata (ocellated turkey)
Agelastes meleagrides (white-breasted guineafowl)
Agelastes niger (black guineafowl)
Numida meleagris (helmeted guineafowl)
Guttera plumifera (plumed guineafowl)
Guttera pucherani (crested guineafowl)
Acryllium vulturinum (vulturine guineafowl)
Dendrortyx barbatus (bearded wood partridge)
Dendrortyx macroura (long-tailed wood partridge)
Dendrortyx leucophrys (buffy-crowned wood partridge)
Oreortyx pictus (mountain quail)
Callipepla squamata (scaled quail)
Callipepla douglasii (elegant quail)
Callipepla californica (California quail)
Callipepla gambelii (Gambel's quail)
Philortyx fasciatus (banded quail)
Colinus virginianus (northern bobwhite)
Colinus nigrogularis (black-throated bobwhite)
Colinus cristatus (crested bobwhite)
Odontophorus gujanensis (marbled wood quail)
Odontophorus capueira (spot-winged wood quail)
Odontophorus melanotis (black-eared wood quail)
Odontophorus erythrops (rufous-fronted wood quail)
Odontophorus atrifrons (black-fronted wood quail)
Odontophorus hyperythrus (chestnut wood quail)
Odontophorus melanonotus (dark-backed wood quail)
Odontophorus speciosus (rufous-breasted wood quail)
Odontophorus dialeucos (Tacarcuna wood quail)
Odontophorus strophium (gorgeted wood quail)
Odontophorus columbianus (Venezuelan wood quail)
Odontophorus leucolaemus (black-breasted wood quail)
Odontophorus balliviani (stripe-faced wood quail)
Odontophorus stellatus (starred wood quail)
Odontophorus guttatus (spotted wood quail)
Dactylortyx thoracicus (singing quail)
Cyrtonyx montezumae (Montezuma quail)
Cyrtonyx ocellatus (ocellated quail)
Rhynchortyx cinctus (tawny-faced quail)
Continued at: Sibley-Monroe checklist 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18