Well-Endowed Bat Becomes First Mammal Known To Reproduce Without Penetration


With a penis that’s seven times too large to fit inside the vaginal opening of its species, the serotine bat, Eptesicus serotinus, has had to get creative when it comes to sexual reproduction. It’s physically impossible for the massive appendage to achieve penetration post-erection, but video footage has revealed how they’ve evolved to achieve contact mating by wielding their…

This story appeared on iflscience.com, 2023-11-21.
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