Craniata, subphylum Craniata, subphylum Vertebrata, Vertebrata - fishes; amphibians; reptiles; birds; mammals

genus Protoavis - extinct primitive birds of the Triassic period; 70 million years before archaeopteryx

genus Archaeopteryx, genus Archeopteryx - a genus of fossil birds

genus Sinornis - a genus of fossil birds

genus Ibero-mesornis - a genus of fossil bird of the subclass Archaeornithes

genus Archaeornis - a genus of fossil bird

genus Struthio, Struthio - type genus of the Struthionidae: African ostriches

Casuarius, genus Casuarius - type and sole genus of the Casuaridae: cassowaries

Dromaius, genus Dromaius - a genus of birds in the order Casuariiformes

genus Apteryx - type genus of the Apterygidae: kiwis

genus Rhea - type genus of the Rheidae; large tall flightless South American birds similar to but smaller than ostriches

genus Pterocnemia, Pterocnemia - a genus of birds of the family Rheidae

genus Aepyornis - type genus of the Aepyornidae: elephant birds

Dinornis, genus Dinornis - type genus of the Dinornithidae: large moas

genus Anomalopteryx - small moas

genus Prunella, Prunella - type genus of the Prunellidae

Alauda, genus Alauda - type genus of the Alaudidae: skylarks

genus Motacilla, Motacilla - type genus of the Motacillidae: wagtails

Anthus, genus Anthus - pipits

Fringilla, genus Fringilla - type genus of the Fringillidae: chaffinch, brambling

Carduelis, genus Carduelis - in some classifications considered the type genus of a subfamily Carduelinae of the family Fringillidae: goldfinches; siskins; redpolls; linnets

genus Spinus, Spinus - in some classifications considered a subgenus of Carduelis: siskins and New World goldfinches

Carpodacus, genus Carpodacus - house finches and purple finches

genus Serinus, Serinus - Old World finches; e.g. canaries and serins

genus Loxia, Loxia - crossbill

genus Pyrrhula, Pyrrhula - bullfinches

genus Junco - American finches

genus Pooecetes, Pooecetes - a genus of Fringillidae

genus Zonotrichia, Zonotrichia - large New World sparrows

genus Spizella, Spizella - chipping sparrow; field sparrow; tree sparrow

genus Melospiza, Melospiza - American song sparrow and swamp sparrow

genus Passerina, Passerina - small North American bush-loving finches: New World buntings

Emberiza, genus Emberiza - Old World buntings

genus Plectrophenax, Plectrophenax - snow bunting

Coereba, genus Coereba - type genus of the Coerebidae

genus Passer, Passer - type genus of the Passeridae

genus Hesperiphona, Hesperiphona - evening grosbeak

Coccothraustes, genus Coccothraustes - large finches

genus Pinicola, Pinicola - a genus of Fringillidae

genus Richmondena, Richmondena - cardinals

genus Pyrrhuloxia - large showy finches related to cardinals

genus Pipilo, Pipilo - towhees

Chlorura, genus Chlorura - towhees

genus Ploceus, Ploceus - type genus of the Ploceidae

genus Vidua, Vidua - whydahs