The Bare-rumped Sheath-tailed Bat ranges from South and Southeast Asia through Australia to islands of the western Pacific. It is an insect-eating bat active at night that roosts in tree hollows and rock crevices.
Its upperparts are blackish brown with white markings, while the underside and wings are white. It has a short muzzle and hairless legs and feet.
It is nocturnal and eats flying insects. It roosts in groups in rock crevices, hollow trees, and buildings.
An extinction-risk assessment has not been added yet.