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