A strange new video will show you that apes might be a lot more perceptive than you thought. The video, part of a new study, shows chimpanzees, bonobos, and orangutans are able to understand people's beliefs, desires and intentions – a phenomenon that was previously considered to be unique to humans. The findings, which challenge our understanding of how intelligent apes are, were presented in a hilarious video. The video, part of a new study, shows chimpanzees, bonobos, and orangutans are able to understand people's beliefs, desires and intentions – a phenomenon that was previously considered to be unique to humans. The apes watched as a human witnessed an object being hidden in one location.