Hummingbirds are speedy little creatures. Ruby-throated hummingbirds flap their wings at a blurry (and tough to photograph!) rate of 50 times per second, and they can achieve a velocity of 90 feet per ...

If you're lucky enough to be visited by hummingbirds, you've probably spent many a moment marveling at them as they go about their busy lives. And who could blame you? They are some of the animal ...