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Definitions for: Flightless Bird [n] 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
Antonyms: carinate, carinate bird, flying bird
See Also: aepyornis, apteryx, bird, cassowary, Dromaius novaehollandiae, elephant bird, emu, Emu novaehollandiae, kiwi, moa, nandu, ostrich, Pterocnemia pennata, rhea, Rhea americana, Struthio camelus
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