There are two kinds of bats in New Zealand. The short tailed bat can feed on the ground as well because it has no predators. Bats hang upside down in dark caves because bats don't like light. The short tailed bat likes to roost in hollow trees. Here they will cluster together to keep warm and talk to each other with a chirpy sort of sound.
Bats have up to one baby.
They drink milk so they are warm-blooded. They eat insects, fruit, flowers and frogs. They can find their food by their hearing. They are mammals. They are mammals because they drink milk from their mother.