The king colobus[1] (Colobus polykomos), also called the western black and white colobus is a species of Old World monkey found in lowland and montane rainforests.
- The king colobus has white markings like most other species in the Colobus genus, but this species is notable for having a white chest and whiskers, while the rest of the body is black.
- Also, the King Colobus’ tail is all white and not bushy. The king colobus has a slender body with a long tail and prominent rump callosities.
- A complex hollow stomach is present, but there are no cheek pouches.
- The thumb is reduced to a simple tubercle, the skull is slightly prognathous, and the eye sockets are oval with narrow brow ridges.
- The nostrils are elongated by an extension of the nasal skin and can extend almost to the mouth.