As the only mammals that can fly, bats are the oddballs of the mammalian world. But serotine bats stand out for another, glaringly obvious reason — when erect, a male’s penis can swell to almost a ...
For one species of bats, bumping uglies has just taken on a whole new meaning. A group of scientists observed a population of serotine bats in Europe and found that these animals are the only mammals ...
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