Next time you're out in your backyard playing with your children, just keep an eye out for unseen chimpanzees in your trees (especially if your home happens to be in Uganda or Tanzania). Chimpanzees are fast and they are heartless. Don't underestimate their blood-thirst. They may be cute in a creepy kind of way, but just say no. And run really fast.
I didn't believe it until I read it. See for yourself.
They're taking the offensive. Could this be a true battle for survival of the fittest??