They are mammals because their babies are born live. No bats live in Antarctica because it is too cold. Bats use echolocation to find food. Little brown bat babies are called pups. Their wingspan is 9-11 inches.
All bats are nocturnal animals.
They hang upside-down by their claws. Every bat flies and they are the only mammal that can fly. Little brown bats can live to be 32 years old. They look ugly and fierce, but are nice. All little brown bats eat insects.