The hairy-legged vampire bat (Diphylla ecaudata) is one of three extant species of vampire bats. It mainly feeds on the blood of birds. This vampire bat lives mainly in tropical and subtropical forestlands of South America. It is the sole member of the genus Diphylla. It generally rests during the daylight, with fewer than twelve other bats in a cave, although a cave was once found with thirty-five bats. It also shares its food via regurgitation, mouth to mouth. As with all mammals, it can be a carrier of rabies.