Big Free-Tailed

Scientific Name: Nyctinomops macrotis

Photo taken by Dr. Scott Altenbach

Description: The Big Free-Tailed bat (Nyctinomops macrotis) bats fur ranges from red-brown to dark brown and is the largest species in it’s genus (Nyctinomops). It has large broad ears and a wrinkle muzzle. Can grow up to 132 mm in length and weighs and average of 27 grams.

Distribution: Map of Big Free-Tailed Bats in Texas

About the Big Free-Tailed Bat: This bat is uncommon in Texas, found primarily in West Texas, mostly in high canyon walls only cracks. It has also been found in buildings. The females give birth to a single pup.

Status: Least Concern
For more information go to the IUCN Red List Website for the Big Free-Tailed Bat

For more information about this bat go to the Texas Parks and Wildlife Big Free-Tailed Bats Fact Sheet