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Contrary to what many think, explains the scientists, they are not blind: they use their eyes, but they "see" through a radar system, locating objects so as not to collide in the dark.

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Why do people think that the bats are blind?

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Why do people think that the bats are blind?

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There is a popular belief that bats are blind, due to their enviable ability to move, by echolocation, which allows them to orient themselves perfectly even at night and they have one of the most impressive communication systems in nature.

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In large part, through this echolocation system, which is possible thanks to various anatomical adaptations located in the ears and larynx, to which is added the extraordinary spatial orientation they have. The animal emits an ultrasound that originates in the larynx and is expelled through the nose or muzzle. The ears then pick up the sound waves that bounce off objects around them, and in this way, the bat orients itself.
There are several types of echolocation, but bats use high cycle echolocation: it allows them to obtain information about the movement and location of a prey. They emit this sound continuously while listening to the frequency of the received echo.

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Despite the stories and myths surrounding bats about their blindness, you will be surprised to know that these mammals are not blind, on the contrary, they can see even better than other mammals, although they do not exceed the ability of human beings.

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However, they are the only mammals capable of seeing polarized sunlight and using it to orient themselves. In addition, the vision of these animals allows them to fly long distances and orient themselves, since it is impossible to use echolocation for this, so they only use it to move short distances in the dark.

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Jael Felix Flores Ayala
Joselyn Amanda Rosales Ramírez