| 单词 | carinate bird |
| 释义 | carinate bird (once / 787955 pages) n WORD FAMILY carinate bird: carinate birds USAGE EXAMPLESIt must have been that of the struthious birds or that of the carinate birds, or something different from both. Mivart, St. George, On the Genesis of Species(2010) If it was that of the struthious birds, how did the pterodactyles and carinate birds independently arrive at the very same divergent structure? Mivart, St. George, On the Genesis of Species(2010) n birds having keeled breastbones for attachment of flight muscles Syn|Ant|Hyper carinate, flying bird flightless bird, ratite, ratite 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 |
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