according to the Nature Conservancy By emitting a high pitch noise devour up to 1,200 mosquitoes in an hour Top 10 Bat Facts devour up to 1,200 mosquitoes in an hour nature.org average lifespan for the animal is around 30 years nature.org Source everywhere in the world By emitting a high pitch noise average lifespan for the animal is around 30 years Nature BAT TRIVIA & PHOTOS