When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Vampire bats have an unusual, blood-only diet that's high in protein but lacking in other ...

You can probably picture a vampire: a pale, sharply fanged, undead sucker of blood, deterred only by sunlight, religious paraphernalia and garlic. They’re gnarly creatures, often favorite subjects for ...

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 ...