Types of Apes, Gibbons, Gorillas, Orangutans, Chimp

There are two main types of apes: "lesser apes" and "great apes". Lesser apes include mainly all gibbon species, whereas the Great apes include orangutans, gorillas, chimpanzees, and bonobos.

Why Orangutans?

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UWEC on X: There are two types of apes: the lesser apes such as

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Example images from two categories in Exp. 2: gibbons (A–D) and