How The Bird Got Its Beak
10,000 Birds
MAY 19, 2015
Giant tyrannosaur like dinosaurs had systems for efficient breathing that modern birds use to facilitate the aerobically demanding task of flight, but those dinosaurs did not fly (see: Aerosteon riocoloradensis : A Very Cool Dinosaur from Argentina. Here’s the thing. However, both birds and Alligators actually use this pathway.
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