article thumbnail

Missing Syrinx Found! Mesozoic Vegavis vocalization verified

10,000 Birds

Primates are exceptional among the mammals, living amphibians (which represent only a small part of the original amphibian family tree) are pretty noisy too. 66 million years ago, and one of those groups gave rise to the ducks and geese. One of the key features of birds, and I use the term “key” literally, is vocalization.

Groups 171