By chance, researchers noticed that one bat species had a very large penis. In fact, the researchers explained in the paper, the male bat's penis is seven times longer and wider than the female bat's vagina. A scientific peep show and future bat porn boxThe researchers observed the serotine bat in the attic of a church and a bat rehabilitation center. The researchers observed 97 mating rituals. Then, the male bat held the female in an "extended embrace".

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Persons: —, uglies, Nicolas Fasel, Fasel, Olivier Glaizot Organizations: Service, American Association for, Advancement of Science, University of Lausanne, Diversity Locations: Europe, Ukraine