Collecting a vampire bat’s feces is not an easy task. You must go into the jungle, to the cave where the bats live, then lurk at the entrance at dawn or dusk. As the bats come winging in or out ...

Vampire bats. They strike fear in even the manliest of men. Mention them, and people walk around with shoulders hiked up to cover their necks.

After a vampire bat eyes its target it will land on its back, crawl up and down and then pick a spot to bite. The flying mammals use the heat sensors in their nose to locate the cow’s blood vessels.

Vampire bats, which inhabit warmer regions of Latin America and boast wingspans of about 7 inches (18 cm), are the only mammals with a blood-only diet. They reside in colonies ranging from tens to ...

Vampire bats are really rather tiny, about the size of a finger, with a wingspan of up to 8 inches. There are three species of vampire bats. Two are adapted to feed off of sleeping birds.

By coaxing vampire bats to run on a treadmill in their lab, biologists Giulia Rossi and Kenneth Welch were able to study their metabolism. However, they faced one challenge.

This vampire bat is present in a wide variety of forested habitats from northern Mexico south through Central and South America to southeast Brazil. It has gray fur and pronounced skin folds ...

If necessary, vampire bats can gorge and consume four times their body weight in liquid. But that sole reliance on blood severely limits what the vampires can use for energy.

When one thinks of vampire bats, friendship and cooperation may not be among the qualities that come to mind for these blood-feasting creatures of the night. But maybe they should.