The researchers found that vampire bats — like blood-sucking insects — are capable of metabolizing amino acids as a primary ...

While much of the world sleeps, vampire bats from Mexico, Central and South America emerge into the darkness to feast on ...

A pair of biologists at the University of Toronto has found that vampire bats are able to burn amino acids as a fuel source ...

Vampire bats are remarkable creatures that survive exclusively on blood, a diet rich in proteins but low in fats and sugars.

A bat gym shows that vampires are more like some insects, burning amino acids from blood proteins rather than the carbs or fats other mammals rely on.

Vampire bats typically fly near prey and then quickly walk ... closer to that of blood-drinking tsetse flies than it is to other bat species. And while flying requires substantially more energy than ...

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 ...