How do bats see in the dark?

Answer

Bats are not blind, but they need to rely on another sense to get them where they need to go. Bats use sonar to emit and receive pulses of sound. This is one of the reasons they screech at such high frequencies.
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How Bats Work
How Bats Work
Bats really stand out in the animal world. They are the only mammals that can fly, and they live much of their lives hanging upside down. Most species are only... More »
Source: www.howstuffworks.com
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