You must have seen that bats often hang upside down on trees. Everyone has seen this, but no one knows why they hang upside down on the tree. So let's talk about  this today, which you will also be surprised to know. I'm sure you never even thought about it. Let us also tell you that bats can easily fly by hanging upside down. At the same time, their wings do not support them much in flying.

This is the reason why they cannot fly from the ground like other birds. Their hind legs are also small and underdeveloped, due to which they are not able to catch speed in running . They rest all day in the dark cave and go out at night in search of their food. Let us also tell you that this is the only mammal that can fly.

There are about 1000 species of bats and they are adept at drinking the blood of other insects. At the same time, there is also a vampire species of bat which is completely dependent on blood, whose teeth are very fast. Peterpus bats are the largest in the world and can live more than 20 years of life.

The largest cave of bats is in Texas, where about two million bats live. They can easily hear even small movements and their heart rate is 18 times per minute while sleeping. At the same time, their heart rate reaches 880 while awake.

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