Vampire bats have a specialized diet made of blood and their body metabolism is also shaped in that way. Kenneth Welch, a biologist who co-authored the study said that the animal - vampire bat is ...

"Whereas most mammals, like us, rely on carbohydrates and lipids to fuel our activity, these fuels are not abundant in the vampire bat diet, suggesting they might not rely on those fuels like us ...

Vampire bats ... proteins found in their food. It is an extraordinary metabolic trick that only these insects were thought to have mastered. To find out if vampire bats were doing it too, Drs ...