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 ...

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 ...

If you’ve ever caught yourself picking up a friend’s accent or slang, you already understand a little bit about vampire bats. A new study published in the journal Proceedings of the Royal Society B ...

As we all learned around kindergarten, snacking with your buds is almost always better than snacking alone. It turns out social vampire bats feel the same way. A new study found out this subfamily of ...

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 ...

Scientist Simon Ripperger spends his days strapping tiny computers to the furry backs of vampire bats in Panama. These tracking sensors document social interactions in a process called biologging. "We ...

Most mammals respond to the demands of exercise in the same way, by breaking down carbohydrates and stored lipids (fats) in their bodies, releasing the energy they need to keep functioning. But every ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — Scientists have figured ...

Despite keeping mosquito populations down and helping to pollinate more than 700 different crops, bats in general get a pretty bad rap -- though it’s tough to say if seeing one running helps or ...

Vampire bats are missing several genes found in other bats, which may be related to their unique diet – they are the only mammals that feed exclusively on blood. Living on blood is challenging because ...

Microbes may be transferred between vampire bats when they lick and groom one another and share regurgitated food – and this means the bats living together end up with a common “social microbiome”.

Vampire bats have become such specialized bloodsuckers that they metabolize their food more like some blood-feeding flies than like other known mammals, a new experiment shows. The common vampire bat ...