Isabelle Laumer, a researcher at UCLA, led a study that sheds light on this. She and her colleagues spent over 75 hours watching great apes interact at zoos, and what they discovered was fascinating.
These apes love to tease each other. The researchers documented 18 distinct teasing behaviors across orangutans, chimpanzees, bonobos, and gorillas, including hitting, body slamming, and pulling on body parts.
A typical scenario would involve a younger ape sneaking up behind an adult and poking them repeatedly, then waiting to see how they’d react. Often the adult would ignore them, so the youngster would keep escalating until they got a response.
According to the researchers, this behavior mirrors what human children do when they’re trying to get a reaction. While it may not be as sophisticated as what we experience, it certainly qualifies as playful teasing that suggests animals do have their own version of a sense of humor.
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