Missing Syrinx Found! Mesozoic Vegavis vocalization verified
10,000 Birds
OCTOBER 18, 2016
One of the key features of birds, and I use the term “key” literally, is vocalization. Primates are exceptional among the mammals, living amphibians (which represent only a small part of the original amphibian family tree) are pretty noisy too. Fish are mostly silent on the matter. powered flight, or two wings vs. four, etc.)
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