Hunting Humans? Vampire bats rarely attack humans, preferring to feed on livestock and wild mammals such as tapirs and deer.
Latin name: Desmodus rotundus Where: Night Hunters Length: 2.8 to 3.8 in Weight: Up to 1.6 oz Lifespan: 9 yrs Habitat: Rainforest, scrub, and desert Diet: Mammal blood Range: Mexico, Central and South America