The predation of Carollia perspiscillata (Linnaeus, 1758) and Peropterix macrotis (Wagner, 1843) by Chrotopterus auritus (Peters, 1856) was registered in a cave at Urucum's mountains of Corumbá, Mato Grosso do Sul, Brazil. The wing fragments and cranium finded under feces deposites, in replace point of C. auritus, were comparated with colection reference material and revealed that C. auritus can eat occasionaly other bat species that inhabit in same roost.
Bat conservation; habitat use; Phyllostomidae; bat roost