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Contact: David Salisbury
Vanderbilt University

Larisa DeSantis, Vanderbilt University

Caption: This is Larisa DeSantis at the La Brea Tar Pits studying the dental wear on fossil teeth of cougars, saber-tooth cats and American lions.

Credit: Blaine Schubert

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Related news release: Cougars' diverse diet helped them survive the Pleistocene mass extinction

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