free-tailed bat


free–tailed bat

noun \ˈfrē-ˌtāld-\

Definition of FREE-TAILED BAT

:  any of a family (Molossidae) of bats characterized by a tail that projects beyond the posterior part of the flight membrane and found in warm regions of the world

First Known Use of FREE-TAILED BAT

1895

free-tailed bat

noun    (Concise Encyclopedia)

Any of about 90 species of bats (family Molossidae), found worldwide in warm regions, that are named for the way part of the tail extends beyond the membrane attached between the hind legs. Also known as mastiff or bulldog bats because of their facial resemblance to those dogs, free-tailed bats are swift fliers with a stout body and long, slender wings. They are about 1.6–5 in. (4–13 cm) long, excluding the 0.6–3-in. (1.5–8-cm) tail, and typically have small eyes, a heavy snout, large ears, and dark fur. They eat insects and roost in tree hollows, caves, and buildings. Most species live in groups; some, including the Mexican free-tailed bat, form colonies of several million. In the past, guano from such colonies was mined for fertilizer and for sodium nitrate (used to make gunpowder).

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