"So blood is the only thing they eat. So we didn't have to worry that maybe they'd eaten some fruit earlier in the day, that's not part of their diet. So they would have exclusively eaten blood the ...

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 ...

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,” ...

Vampire bats got a bum rap in their association with Halloween and all things spooky and sinister. That reputation has been extended to all bats, which seldom, if ever, morph into immortal ...

Parasites are incredibly diverse. Here’s why they matter. Parasites are incredibly diverse. Here’s why they matter. Vampire Bats Survive by Only Eating Blood—Now We Know How Vampire Bats Survive by ...

Vampire bats may have earned their name, as the Smithsonian Channel describes them... (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED COMMENTATOR: Vampire bats are the only bats in the world that feed ...