The world’s more than 1,400 bat species play vital roles in ecosystems, from eating insects, to pollinating plants, and dispersing seeds. Bats are connected to humans and ecosystems in many ways, and all are affected when one link is removed from the chain. | Bat Conservation International

Did you know? Bats are the only flying mammal [VID: Bats are the only flying mammal. A flying squirrel can glide for short distances. But bats are the only true fliers. The wing structure of a bat differs from that of a bird. Birds have feathers projecting back from lightweight, fused arm and hand bones. Bat wings are flexible and relatively short, with membranes stretched between elongated fingers. Their finger bones are very flexible, becoming cartilaginous near the tips so they can bend witho