Bats use their voices to find food like a ship uses radar to find its way. They squeak out calls, and when the noise bounces off of a bug, the bat knows it is there and can catch it Although it is a mammal like you, a bat can fly and likes to come out only at night. Instead of having a baby, a bat has a pup. In incredible photographs, young readers can watch a bat as it lives day by day and night by night