Vole Female with Pups (IMAGE)

University of Texas at Austin

Vole Female with Pups

Caption

A vole female with her pups and no male are shown. Researchers at The University of Texas at Austin have found that natural selection drives some male prairie voles to be fully monogamous and others to seek more partners. The surprising contrasts in the animals' brains result from differences in their DNA.

Credit

Aubrey Kelly/Cornell University

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