flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
Type | Words |
---|---|
Synonyms | flightless bird, ratite bird |
Type of | bird |
Has types | apteryx, cassowary, dromaius novaehollandiae, elephant bird, emu, emu novaehollandiae, kiwi, moa, nandu, ostrich, pterocnemia pennata, rhea, rhea americana, aepyornis, struthio camelus |
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