Enamored of bats ever since discovering a colony in a cave as a boy, Tuttle realized how sophisticated and intelligent bats are. He shares research showing that frog-eating bats can identify frogs by their calls, that vampire bats have a social order similar to that of primates, and that bats have remarkable memories. Bats also provide enormous benefits by eating crop pests, pollinating plants, and carrying seeds needed for reforestation; they are essential to a healthy planet.