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  • Nature's Wonders    August 6 
Hummingbirds are freaks of nature

Here are the three weirdest things about hummingbirds, as explained by Hank Green:

* Their legs are so light that they can't walk or jump

* Their wings produce lift on the downstroke and the upstroke

* Their metabolic system burns the sugar they drink so fast they can't store energy as fat

Check out the video for a more extensive look at hummingbird strangeness. --Ryan Cooper

 
 
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