LESSER SPOT-NOSED GUENON Cercopithecus petaurista Geographic Distribution and Habitat Lesser spot-nosed guenons are native to western Africa, residing in the countries of Côte d’Ivoire, Ghana, Guinea, Guinea-Bissau, Liberia, Sierra Leone, Togo, and, possibly, southeastern Senegal. These enchanting primates belong to the family known as Cercopithecidae, and they go by several aliases: lesser white-nosed guenon, lesser