Bats By W. Brooks Paternotte • Jul 1, 2014 ShareTwitter Facebook Google+ Email Listen Listening... / 4:15 Bats perform a true ecological miracle every night. Just one bat can eat over a thousand insects each night. But scientists are seeing population drops of 90 to 100 percent in some caves. Why? Related Program: The Nature of ThingsTags: WYPR ProgramsThe Nature of Things Related Content Water Conservation 1 year ago Fireflies 1 year ago The Baltimore Checkerspot Butterfly 1 year ago Citizen Science 1 year ago Terrapins 1 year ago View the discussion thread.