Bats sleep upside down. Their eyes light up at so they can see in the dark. They have a keen sense of smell. When they are upside down, to rest bats fold their legs. Their eyes light up at night so they can see in the dark.
Bats find their way by using echolocation.
It's easy to tell what Bats are New Zealand bats because one type is a short tail Bat and another type is a long tail Bat. They are born live. They are warm-blooded. They have hair so they are mammals. The young bat is born.