Vampire Bats (film)

Vampire Bats is a 2005 film directed by Eric Bross and starring Lucy Lawless.

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 dead corpses of deer and local animals, with multiple bites on their bodies and their blood completely drained. While the corpses are studied, one student from the class of PhysicianDoctor Maddy Rierdon Lucy Lawless gets chased in the forest by something that knocks him down and kills him. When he is found, his blood has been drained. Police suspect two of his friends of being the killers and put them under arrest. The case causes Maddys attention, as she wants to prove her students innocence. She soon finds out that her dead student must have been killed by something that moves in a pack and is very fast. ........

Source: Wikipedia