Mews and Nips: Why Do Cats Wiggle Their Butts Before Pouncing

We’ve all seen it: our cats get ready to pounce on a toy, and just before they take off, they crouch and wiggle their butt a little. While there hasn’t been any formal research into the origins of this common behavior, a professor of evolutionary biomechanics at the Royal Veterinary College in London has some theories. One is that it might provide an aerobic warm up of sorts for the cat. For more about what might cause this behavior, visit LiveScience.

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