Little brown bats have life spans that may exceed 32 years. This amazing system is called echolocation. Most sounds that a bat uses can not be heard by humans. Not all bats use echolocation. Fruit bats use sight and smell to locate their food.
All bats can see.
Hundreds of bats can fly out of a cave within range of one another's sound. The Chinese view bats as symbols of good luck and happiness. They symbolize health, long life, prosperity, love of virtue and natural death. Bat Benefits - A colony of big brown bats can eat 18 million cucumber beetles. Even small disturbances in their habitat can seriously threaten their survival.