Scientists put the bloodsucking mammals on a treadmill to understand how they get the energy to chase down their next meal. Researchers tracked how vampire bats processed their blood meals as they ...

Vampire bats have become such specialized bloodsuckers that they metabolize their food more like some blood-feeding flies than like other known mammals, a new experiment shows. The common vampire bat ...

In a groundbreaking study, scientists have discovered that common vampire bats (Desmodus rotundus) possess a unique metabolic strategy, burning proteins directly for energy during exercise—a trait ...

TONOSI, Panama -- Cattleman Francisco Oliva was on a roundup -- of vampire bats. After a swarm of the blood-slurping creatures dive-bombed his herd and drank their fill one recent night, he corralled ...