Twenty-four vampire bats’ metabolism was studied. As per the study, the bats were given a meal of cow’s blood that was enriched with both amino acids and carbon isotopes. “We fed bats cow ...

They caught 24 wild adult vampire bats in Belize, and divided them into groups. One group of nine bats was fed cow's blood enriched with leucine, an essential amino acid (one that mammals can't ...

A common vampire bat going out for its nocturnal hunt DNA analysis is giving clues to how the vampire bat can survive on blood alone. The bat can drink up to half its weight in blood a day unlike ...