They like to be warm. They don't like cold. They live in Mexico, India, Australia, Brazil, China, and Chad. That's only a few places where they live. There are many more.
People move into the places where bats live and eat.
They make changes that destroy or disturb the bats' habitat. Pesticides put on plants poison the bats. Places bats might live and the things bats might eat are destroyed. Some people don't understand how helpful bats are and kill them. A bat's body has fur.