These are common in Tai village. I saw them in a fruiting fig in the middle of town
Campbell's Mona Monkey (Cercopithecus campbelli), also known as Campbell's Guenon and Campbell's Monkey, is a species of primate in the Cercopithecidae family. It is found in Ivory Coast, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Senegal, and Sierra Leone.