ratite bird


Also found in: Thesaurus.
Related to ratite bird: Tinamous
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ratite bird - flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostrichesratite bird - flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
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 - smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan
aepyornis, elephant bird - huge (to 9 ft.) extinct flightless bird of Madagascar
moa - extinct flightless bird of New Zealand
References in periodicals archive ?
Digestion in the emu: low energy and nitrogen requirements of this large ratite bird.
Biologists in the 1970s debated whether the kiwi and other flightless ratite birds arose when flightless common ancestors drifted apart by riding on landmasses that fragmented and separated.
A simple and universal method for molecular sexing of non ratite birds.