Ruby-throated hummingbirds are impressive birds. On average, they beat their wings 52 times per second. They can can reach flight speeds of up to 63 mph to evade danger. They're also endurance flyers.
Every fall, ruby-throated hummingbirds make the long flight from the eastern U.S. to Central America to winter in warmer climates. And they may cover greater distances than previously thought, according to a new study which also sheds some light on how young hummingbirds handle the challenge
Tiny Hummingbirds Are Marvels of Endurance:
