Noun
ratite -
flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
ratite bird ,
flightless bird
carinate ,
carinate bird ,
flying bird birds having keeled breastbones for attachment of flight muscles
bird warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
struthio camelus ,
ostrich fast-running African flightless bird with two-toed feet; largest living bird
cassowary large black flightless bird of Australia and New Guinea having a horny head crest
dromaius novaehollandiae ,
emu novaehollandiae ,
emu large Australian flightless bird similar to the ostrich but smaller
apteryx ,
kiwi nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes
rhea americana ,
rhea larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia
nandu ,
pterocnemia pennata ,
rhea larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia
aepyornis ,
elephant bird huge (to 9 ft.) extinct flightless bird of Madagascar
