These monkeys keep trying to mate with deer—scientists have a few theories why
Two different groups of macaques have been spotted in Japan mounting sika deer. The behavior could be part of a shared ...
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Some mice have a cheating heart. It’s a hormonal thing, scientists find.
When female deer mice are in heat, they sometimes mate with multiple males on the ... the gray bamboo lemur and Goeldi’s monkey. “All three are derived from a recently monogamous ancestor ...