Archives du Muséum d'Histoire Naturelle, Paris.
Date 1858-1861
Source http://www.flickr.com/photos/biodivlibrary/19930229848
Author Muséum national d'histoire naturelle (France)
Source: https://commons.wikimedia.org/wiki/File:Archives_du_Mus%C3%A9um_d%27Histoire_Naturelle,_Paris_(19930229848).jpg

The western gorilla (Gorilla gorilla) is a great ape—the type species as well as the most populous species of the genus Gorilla.

The common chimpanzee (Pan troglodytes), also known as the robust chimpanzee or simply chimp, is a species of great ape. It is found in in the forests and savannahs of West and Central Africa.