Vole Pair with Pups (IMAGE)

University of Texas at Austin

Vole Pair with Pups

Caption

A female vole and her pups are with the male vole in the background. 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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