Friday, October 14, 2011

Bat Buzz

We know that bats use echolocation to navigate & hunt by bouncing sound waves off objects. Now researchers from the University of Southern Denmark and the University of Pennsylvania have shown that the key to this technique is the bat's superfast muscles. In humans our fastest muscles control eye movement, but a bat's muscles contract as much as 20 times faster and about 100 times faster than typical body muscles. This is the first time superfast muscles have been discovered in mammals. They were previously known from the sound-producing organs of rattlesnakes, birds and fish. When hunting, bats produce what is known as the "terminal buzz," when they make as many as 190 calls per second in the instant before they catch their prey.
Posted by Astrojenny

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Shows how diverse the animal kingdom can be! :)

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