Unlike other mammals, serotine bats engage in unique sexual behavior
Bat has penis so long it can't have sex - instead uses it as 'extra arm' - Daily Star
New study sheds light on bats and their weird sex habits - In the press
Eptesicus serotinus: Unusual mating behavior discovered in mammals for the first time
Botta's Serotine Eptesicus bottae (Peters, 1869)
Technology Networks Science News, Page 9
Serotine Bats Mate Without Penetration
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Shocking bat sex ritual resolves long standing mating mystery – Firstpost
Serotine Eptesicus serotinus (Schreber, 1774)