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What's the world's fastest animal? You'll never guess Published: April 29, 2014

Watch your back, Usain Bolt: A California physics major has found that a tiny mite is (sort of) the fastest land animal on Earth, keeping a pace equivalent to that of a human running 1,300 miles per hour, the Christian Science Monitor reports.

Why "sort of"? As UPI points out, this finding is based on measuring speed relative only to body size, rather than looking at total distance traveled.Paratarsotomus macropalpis is smaller than a single sesame seed—and can run up to 322 body lengths per second.

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