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Can Any Birds Fly Upside Down?

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enotes | (Level 1) Valedictorian

Posted October 9, 2011 at 4:00 PM via web

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Can Any Birds Fly Upside Down?

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fact-finder | (Level 3) Valedictorian

Posted October 10, 2011 at 4:00 PM (Answer #1)

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Hummingbirds are the only birds that can fly upside down. They do so because of their angled wing structure. However, a hummingbird can fly upside down only for a short period of time. A hummingbird can also fly backward; it does this when removing its bill from a tube flower.

Source: Kuttner, Paul. Science's Trickiest Questions, p. 128.

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