Echolocation works by bouncing sound off of things. Bats have long ears for echolocation. Bats with long ears eat insects. Vampire bats drink blood. Some bats eat fruit.
Bats like to eat fruit, fish, and mosquitoes.
Bats sleep in the daytime. Bats hang upside down. Bats hunt at night. All bats can see. Bats can see in the dark.