Flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds. Synonyms: ratite, ratite bird.
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Words linked to "Flightless bird" : rhea, cassowary, apteryx, bird, carinate, Emu novaehollandiae, aepyornis, Pterocnemia pennata, ostrich, elephant bird, Struthio camelus, nandu, moa, Rhea americana, emu, kiwi, Dromaius novaehollandiae |
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