Vampire bats are the only mammals to feed entirely on blood, which they get by biting larger animals such as cattle. The flying creatures can drink up to half their weight in blood a day ...

Bats are an iconic symbol of Halloween and vampire bats in particular have earned themselves a ghoulish reputation ... It also doesn't help that three species feast on blood. Despite their diet, bats ...

Thanks to a local anesthetic in their spit, vampire bats are able to drink blood from their prey without being detected. That way, they can feed undisturbed for up to a half hour at a time. (02:41) ...

Certain animals, known as hematophagous creatures, rely on blood for survival due to its rich nutrient content. Examples ...

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 ...

When a vampire bat bites its victim, it secretes DSPA. This destroys fibrin, which helps blood clot. During the mid-1980s, it emerged that the vampire bat enzyme was genetically related to tissue ...