bats cannot see clearly at night this is why they use sounds to find out the location of an object at night is it true
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yup , it's a true fact... they use ultraviolet rays to detect the objects
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many people think that bats are blind in fact that they can see most as well as human . However , at night their ears more important than their eyes . use special sound system called Eco location meaning find location using Eco .
As bat fly they make shouting sound which are too high for most humans to hear. echoes get back from shout give information anything to head about size and shape of the insect which way is.
we can hear the bat sound by using special instrument about 'bat detector '
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