Bat Week: Echolocation



Blind as a bat? Not so fast. Most bats have good vision and use a combination of sight and echolocation to hunt and maneuver through the night sky. Echolocation is well known in bats and works like a sonar system. Bats emit high frequency sounds waves which hit objects and send back echoes to the bat’s ears. These echoes allow bats to avoid collisions with trees and other objects and to find their flying food.

Some bats have lots of wrinkles, folds, or grooves on their faces. These structures are thought to help them focus their echolocation so that they can perform difficult sonar tasks like navigate in dense forests or look for prey while simultaneously avoiding obstacles

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