Their droppings that are found in caves help whole ecosystems of unique organisms. This includes the bacteria which are useful in detoxifying wastes, improving detergents, and producing antibiotics and gasohol.
Different species eat different kinds of food. Some consume moths, gnats, beetles, and crickets, while others eat pollen, nectar, and petals. Some species even eat small frogs, lizards, birds, and fish.
When moths hear the echolocation calls of bats, they are known to protect themselves. They do this by dropping to the ground, trying to escape.
The footsteps of a beetle can be heard by an African heart-nosed bat from a distance of more than 6 feet.
Little Browns are able to bring down their heart rate to 20 beats per minute, and can even stop breathing for 48 minutes at a time while in hibernation.
Tiny Woolly bats of West Africa can be found in the big webs of colonial spiders.
Bats that consume frogs are able to identify the poisonous ones by listening to the mating calls of male frogs.
To attract their mates during courtship, male Gambian epauletted bats of Africa are blessed with pouches in their shoulders that contain large, showy patches of white fur. The Chapin's free-tailed bats have large tufts of white hair on top of their heads which they use for the same purpose.
The Honduran white bat is snow white in color, and has a yellow nose and ears. It protects its small colonies from jungle rains by cutting large leaves to make 'tents'.