ECHOLOCATION and how it works
Bats send out sound waves using their mouth or nose. When the sound hits an object an echo comes back.
The bat can identify an object by the sound of the echo. They can even tell the size, shape and texture of a tiny insect from its echo.
Most bats use echolocation to navigate in the dark and find food. But, bats are not blind.
( Echolocation graphic & info courtesy of www.bats4kids.org )
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