Life span: Up to 30 years
Total population: Declining
Location : Equitorial Guinea, Cameroon
Gestation:
Height:
Weight: Up to 10Kg

The Preuss Guenon is gray and black with a fluffy white bib below the face. They have a long curling tail. Adult males have a blue scrotum. They travel in small groups, foraging for fruits, seeds, leaves and flowers.