Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ...
Everything about the anatomy of a bird reflects its ability ... Airplane wings are modeled after bird wings. The bones and muscles of the wing are also highly specialized. The main bone, the ...
Aside from their strange horns, these birds also possess some interesting anatomy below the surface ... them soar long distances without using muscle energy. These air sacs sometimes collapse ...
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