Vampire bats rely on amino acids from their blood diet to fuel their exercise, scientists discovered after observing the ...

In a rare technique among mammals, the bats burn proteins from blood, rather than carbs or fat, to power their pursuits of ...

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.

Scientists put the bloodsucking mammals on a treadmill to understand how they get the energy to chase down their next meal.

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