These bats are the only mammals known to mate without non penetrative sex
These bats are the only mammals known to mate without non penetrative sex
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These bats are the only mammals known to mate more like birds
This study in serotine bats (Eptesicus serotinus) shows that the penis is used as a ‘copulatory arm’ rather than an intromittent organ, revealing a novel copulatory behaviour in mammals. DOI:https://doi.org/10.1016/j.cub.2023.0