Things You Probably Didn't Know About Cute Bonobo Chimps

June 10, 2014 - Bonobos are the only ape that doesn't kill. And unlike any other ape, bonobos help each other out (a lot like humans do). Through the use of "bonobo TV," researchers found that bonobos' yawns are contagious (also like humans). But while they have humanlike traits, their biggest threat comes from humans.