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Here's What Bat Echolocation Sounds Like, Slowed Down

Smithsonian Channel
Smithsonian Channel
Bats use a perceptual system called echolocation that allows them to produce high pitch sounds that bounce off nearby objects an ...
Bats use a perceptual system called echolocation that allows them to produce high pitch sounds that bounce off nearby objects and living things. Humans can't normally hear these sounds, unless they're slowed down.

From: DAVID ATTENBOROUGH'S CONQUEST OF THE SKIES: Triumph
http://bit.ly/1UO4Kai

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