Also known as Sclater’s guenon or Nigerian monkey, it has the scientific name Cercopithecus sclateri and is found only in Nigeria.

It was first described by Reginald Innes Pocock in 1904 and was named after Philip Sclater, an English lawyer and zoologist. The monkey is found in several areas between the Niger and Cross Rivers of southern Nigeria.

The only place known to shelter a captive Sclater’s monkey is the Centre for Education, Rehabilitation & Conservation of Primates & Nature in Cross River State, Nigeria.

It is listed as a vulnerable species i.e. one which has been categorized by the International Union for Conservation of Nature (IUCN) as being threatened with extinction unless the circumstances that are threatening its survival and reproduction improve.