WTD created an anthropoid 3D animation comparing the size of different primates and their extinct ancestors.
Old World Monkeys, Overview, List & Characteristics - Lesson
Primates : r/Naturewasmetal
Size Comparison of Animals With Their Extinct Ancestors
Who would win in a fight between an orangutan and a chimpanzee and why? - Quora
Western Chimpanzee (Pan troglodytes verus) Dimensions & Drawings
7 Kinds of Primates That Can Be Kept as Pets
Primate Speciation: A Case Study of African Apes
Person of the Forest, Researchers Go to Borneo to Learn About the Human-Primate Connection
About Apes - Center for Great Apes
A Show of Hands