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 ...

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 ...

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 ...

In 2022, Peter Larsen awoke in the Guyanese rainforest with a strange sensation on his feet. Sleeping in an open-air house, the University of Minnesota researcher flicked on his headlamp and found a ...

Researchers are investigating the threat of vampire bats spreading chronic wasting disease, a deadly wildlife disease affecting deer, moose, and elk. In April, a research article published in the ...

There are three species of vampire bats in the entire world – the common vampire bat, the white-winged vampire bat and the hairy-legged vampire bat – and good news! – they all live in Costa Rica.