The Chimpanzee (Pan troglodytes) is placed on the list of endangered species.

The common chimpanzee (Pan troglodytes), or robust chimpanzee, is a species of great ape.

Male Pan troglodytes, once past puberty, exhibit increasingly violent behavior as they age, and are much more aggressive than gorillas.

A common chimpanzee (Pan troglodytes) is sitting atop a pile of books and manuscripts.

P. billcollinsi was found in only one subspecies of chimpanzee (Pan troglodytes troglodytes).

The common chimpanzee (Pan troglodytes), also known as the robust chimpanzee, is a species of great ape.

The eastern chimpanzee (Pan troglodytes schweinfurthii) is a subspecies of the common chimpanzee.

There were more than 2,000 West African chimpanzees (Pan troglodytes verus) in the 1980s.

In the common chimpanzee, Pan troglodytes, the male skulls were on average 3.7% larger than those of females .

They are all Pan troglodytes, or common chimpanzees, but it turns out that they are uncommonly diverse in their skills and habits.