Serotine bats that have penises seven times longer and wider than their female counterparts' vaginas are the first known mammals to engage in non-penetrative sex.
Bats with weirdly giant penis have sex for up to 12 hours in a way never seen in mammals before : Read more
Bats with weirdly giant penis have sex for up to 12 hours in a way never seen in mammals before : Read more
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