Bat prevent them from spending too much time in unfamiliar places, and decrease predation. In some species, pregnant individuals may not use torpor. The smallest bat is Kitti's hog-nosed bat ("Craseonycteris thonglongyai"), which is long with a wingspan and weighs . It is also arguably the smallest extant species of mammal, next to the Etruscan shrew. The largest bats are a few species of "Pteropus" megabats and the giant golden-crowned flying fox, ("Acerodon jubatus"), which can weigh with a wingspan of . Larger bats tend to use lower frequencies and smaller bats higher for echolocation; high-frequency echolocation is better at detecting
Vampire Bats (film) Vampire Bats (film) Vampire Bats is a 2005 adventure-horror film directed by Eric Bross and starring Lucy Lawless. The film is a sequel to the 2005 film "Locusts". In a Louisiana city, near a bayou, a plague of genetically mutated bats begins to kill the people, then Dr. Maddy Rierdon and her students from colleges work together to kill the bats before the whole city is destroyed. The film begins with an abandoned house, inhabited by a group of vampire bats, which seem to be mutations of the local population. Later, in the forests nearby, people begin to find many