Add Yahoo as a preferred source to see more of our stories on Google. Vampire bats have complex social relationships. Samuel Betkowski/Moment via Getty Images You can probably picture a vampire: Pale, ...

While much of the world sleeps, vampire bats emerge from dark caves, mines, tree hollows, and abandoned buildings in Mexico ...

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

You can probably picture a vampire: Pale, sharply fanged undead sucker of blood, deterred only by sunlight, religious paraphernalia and garlic. They're gnarly ...