The overwhelming majority of bats are friends of humanity. They gobble up the insects that bite us and ruin our crops. They pollinate flowers and they replant forests by spreading seeds around. But as ...

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, ...

Humans are often happy to share food with their friends, but what about animals? Contrary to their reputation, vampire bats are surprisingly social and generous, and a well-fed bat will even ...