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 feed exclusively on blood, as many people know, but less is known about how or why they adapted to thrive on such a strict diet. There are three species of vampire bats. Together, they ...

Vampire bats rely on blood-derived amino acids to fuel their activity, scientists have discovered after making the animals work out on tiny treadmills. Most mammals, including humans, rely on ...

WASHINGTON — 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 and ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Vampire bats, with their eerie reputation and unique diet, have long fascinated scientists. But how do they survive on a diet ...

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 ...

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 and identified 13 ...

The following is an excerpt from Bite: An Incisive History of Teeth, from Hagfish to Humans by Bill Schutt. When you purchase products through the Bookshop.org link on this page, Science Friday earns ...