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. Comparative Biochemistry and Physiology 75A:41-45.
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.
& ELLEGREN, H., 1999.- A simple and universal method for molecular sexing of non ratite birds. Journal of Avian Biology, 30: 116-121.