"The first beak was a horn-covered pincer tip at the end of the jaw,"
said Bhullar, who is an assistant professor and assistant curator in
geology and geophysics. "The remainder of the jaw was filled with teeth.
At its origin, the beak was a precision grasping mechanism that served
as a surrogate hand as the hands transformed into wings."
https://www.sciencedaily.com/releases/2018/05/180502131859.htm
HT: https://pjmedia.com/instapundit/
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