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.

Study: Last Common Ancestor of Humans and Apes Looked Like Gorilla

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

Natural History Collections: APES AND HUMANS

In search of the Great Apes-Gorilla, Chimpanzee & Orangutan

Asian Apes At-A-Glance New England Primate Conservancy

Ape - Wikipedia

How Long Are a Gibbon's Arms? And More Gibbon Facts

Primate test - Apenheul

Chimps, Humans and Monkeys: What's the Difference?

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