They then rest in either their daytime roost or a different night roost. After digesting their meal, they may eat again. Sometime before dawn, they return to their daytime roost in order to sleep. Bats have few enemies. Such animals as cats, hawks, owls, snakes, and weasels sometimes prey on bats.
Bats avoid many enemies on the ground by hanging from high places.
Some species of bats live as long as 15 to 25 years. How bats navigate. Some bats depend on their vision and sense of smell to navigate and to find food at night. Other bats cannot see well in the dark. They navigate by means of echoes.