Thumbless and Smoky Bats

Furipteridae is one of the families of bats. This family contains only two species, the smoky bat and the thumbless bat. Both are from Central and South America, and are closely related to the bats in the families Natalidae and Thyropteridae. They can be recognized by their reduced and functionless thumbs, enclosed by the wing membranes, and their broad, funnel-shaped ears. There are only two genera in the group, each with a single species. They are...