Scientists have figured out why bats crash into buildings: smooth, vertical surfaces like window panes throw off their navigation systems, basically keeping them from “seeing” those obstacles. Bats, the only flying mammals, use echolocation to move around. A previous study, published by two of the same authors, showed that bats mistake smooth metal or plastic plates placed on the ground as ponds, bumping into them while trying to drink.
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August 22, 2017