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Published online 10 May 2007 | Nature | doi:10.1038/news070508-10

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Bats fly like a bee

Videos reveal how bats turn quickly and get lift.

Bats and birds use their wing-flapping powers differently, a video study of the night flyers reveals. Bats leave a more complicated pattern of swirling vortices in their wake, and work harder on their upstroke than birds.

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