Several Misunderstandings of Human Beings on the Animal World: Bats Are Not Blind

Because of the existence of animals, the whole earth is active and full of vitality. Because of the company of animals, human beings do not feel lonely in the vast universe. There are still many misunderstandings about animal habits, for example, sloths are actually much more active than people imagine, goldfish have longer memory time, and bats are not completely blind.