This free-tailed bat ranges widely across the Americas. It catches insects while flying at night, and its fur varies from grayish brown to chestnut.
Its fur ranges from blackish or brownish gray to chestnut, with a lighter underside. The ears are wider than they are long and extend beyond the snout when brought forward.
It is nocturnal, flying high and in straight lines while using echolocation to detect insects and catching them in flight. In Argentina it has been recorded roosting in trees and human-made structures.
An extinction-risk assessment has not been added yet.