Add Yahoo as a preferred source to see more of our stories on Google. Vampire bats have complex social relationships. Samuel Betkowski/Moment via Getty Images You can probably picture a vampire: Pale, ...

Humans are often happy to share food with their friends, but what about animals? Contrary to their reputation, vampire bats are surprisingly social and generous, and a well-fed bat will even ...

Vampire bats made to run on treadmills in a lab reveal secrets of the special metabolism fueling them from blood consumed only minutes before. This is peculiar since in most animals, including humans, ...

Vampire bats are found in caves and forests throughout Central and South America and often prey on livestock at night for a quick bite. Common vampire bats (Desmodus rotundus) are the only mammals ...

WASHINGTON — Scientists have figured out why vampire bats are the only mammals that can survive on a diet of just blood. The bats live in South and Central America and are basically “living Draculas,” ...

WASHINGTON (AP) — Scientists have figured out why vampire bats are the only mammals that can survive on a diet of just blood. They compared vampire bats to 26 other bat species and identified 13 genes ...

For vampire bats, regurgitating blood into a roostmate's mouth is a sign of ultimate trust. It's a risky strategy for the creatures, who don't know if donating their food will be reciprocated. Vampire ...

Vampire bats made to run on treadmills in a lab reveal secrets of the special metabolism fueling them from blood consumed only minutes before. The research, published in the journal Biology Letters, ...