Syrinx Transparent (IMAGE)

University of Texas at Austin

Syrinx Transparent

Caption

A new study of the first fossil vocal organ from a bird from the Mesozoic provides insight into the evolution of bird calls and song. The fossil was found in Antarctica and comes from a relative of ducks and geese that lived more than 66 million years ago during the age of dinosaurs.

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J. Clarke/UT Austin

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