Add Yahoo as a preferred source to see more of our stories on Google. Hummingbirds have one of the highest metabolic rates of any vertebrate. They are the only birds capable of sustained backward ...

If you've ever seen a hovering hummingbird, you've probably felt amazed by the tiny bird's fancy flying. Learn about how ...

Hummingbird wings have a 180-degree mobility with a wingbeat speed of up to 80 beats per second. A 15-second clip reveals a slow-motion video of a hummingbird doing aerial rolls as it flies toward an ...