Ways Orangutans Are Just Like Humans

Orangutans share at least 28 physical traits with humans; that’s 26 more than chimps and 21 more than gorillas. Inside our mouths, we’ve both got flat molars that are covered with a thick layer of enamel. And, according to researcher Schwartz, “A hole in the roof of the mouth that was supposedly unique to humans is also present in orangs.”