Mammalian jawbone diversity: whale vs bat (IMAGE)
Caption
UC Berkeley doctoral student Sergio Garcia Lara, a co-author of the paper, stands next to a gray whale jawbone while holding a glass vial containing the lower jaw of a bat. The comparison highlights the variety of jaw sizes and shapes that have evolved in mammals, despite the fact that they reduced the number of bones in the lower jaw to one per side, unlike most other vertebrates.
Credit
Jack Tseng, UC Berkeley
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