Habitat destruction seriously threatens the species. They roost in small groups, usually in hollow trees or snags. Video University of Mexico Professor of Ecology Rodrigo Medellin travels deep into the Yucatan rainforest to research and photograph two rare carnivorous species of Vampire bat. Photo: US Department of Agriculture, Vampire Bat. For many people, bats are creepy animals that mostly come to mind during Halloween. The male has been observed folding its wings around the female and young while nesting by day, presumably to aid in heat retention. All three species are native … Deep in the Maya forests of Mexico lives the rarely-seen Vampyrum spectrum—the false vampire bat.Little is known about these carnivorous mammals, as their … The common vampire is the most common bat species in southeastern Brazil. Fossils of this species have been found in Florida and states bordering Mexico. They glide stealthily through the night air as they search for food. While much of the world sleeps, vampire bats emerge from dark caves, mines, tree hollows, and abandoned buildings in Mexico and Central and South America. This particular habit in certain animals is known as ‘hematophagy’. Like the legendary monster from which they get their name, these small mammals drink the blood of other animals for survival. Vampire bats (Desmodus rotundus) are bats that feed on blood. They can be found as far north as 280 kilometres (170 mi) south of the Mexico–United States border. The common vampire bat is found in parts of Mexico, Central America, and South America. The common vampire bat feeds primarily on the blood of mammals (occasionally including humans), whereas both the hairy-legged vampire bat and white-winged vampire bat feed primarily on the blood of birds. Once the common vampire bat locates a host, such as a sleeping mammal, it lands and approaches it on the ground. Unlike most bats, they are believed to pair-bond. There are only three bat species that actually feed on blood: The Common Vampire Bat (Desmodus rotundus), the Hairy-legged Vampire Bat (Diphylla ecaudata) and the White-winged Vampire Bat (Diaemus youngi). Animal Facts. Examples include one megachiropteran (Indian false vampire bat, Megaderma lyra (Subbaraj and Balasingh 1996)), andthree microchiropterans (Jamaican fruit-eating bat, Artibeus jamaicensis, (Morrison 1978)); pond bat, Myotis dasycneme (Voute et al.