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 ...

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 might have developed a creepy reputation with all the eating blood and flapping about at night, but their ability to survive off an entirely blood-based diet is part of what makes them so ...

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

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

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 ...

In a groundbreaking study, scientists have discovered that common vampire bats (Desmodus rotundus) possess a unique metabolic strategy, burning proteins directly for energy during exercise—a trait ...

When we think of vampire bats, friendship and co-operation may not be the qualities that come to mind for these blood-feasting creatures of the night. But maybe they should. Scientists on Thursday ...

You can probably picture a vampire: Pale, sharply fanged undead sucker of blood, deterred only by sunlight, religious paraphernalia and garlic. They’re gnarly creatures, often favorite subjects for ...