Before studying them, I didn't like bats. Now I like bats. Bats are nice animals. Bats are the only mammals that fly. There are different kinds of bats.
Bats are the only mammals that can fly.
There are about 1.000 kinds of bats. They eat insects for us. The sun hurts their eyes when they open them. They can see better at night because it is dark. Bats eat insects that harm people.