While many do have black or brown fur, others are red, tan, white, yellow and even orange. Bats are not blind. In some species, particularly the herbivores, vision is acute and necessary to survival. The squeaks and chirps that you hear bats make are used for communication. As mentioned , their echolocation sounds are way outside our range of hearing.
Scientists are concerned that bats are waning in number and in diversity of species.
Sixteen of North America's 43 species of bat are on the endangered species list, and eight more are under consideration. It will take the efforts of individuals and groups dedicated to bat education and conservation to prevent a drastic global decline in the species diversity and overall population of these incredible flying mammals. Bat Conservation International is an international membership organization and information clearinghouse devoted exclusively to the promotion of bat welfare and education about bats. Thanks to Barbara Moore and the Environmental Education Farm Foundation for providing information for this article. One of the many things my mother remembers about my childhood was my habit of bringing home bats in my pockets.