In this slow motion video clip from a BBC program called Secrets of Bones, you can see how a pigeon takes off so quickly. Pigeons can accelerate from 0 to 60 mph in about 2 seconds, straight up from the ground. A look at its skeleton reveals short, thick bones, an absolute necessity for an animal generating that much power in such a short time. (via the kid should see this, back from its summer hiatus)
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