Adult, Africa, Animal, Arboreal, Cercopithecidae, Color Photograph, Crested Mangabey, Day, East Africa, Eastern Africa, Full Length, Gray-cheeked Mangabey, Great Rift Valley, Horizontal, Johnston's Mangabey, Kibale Forest National Park, Kibale National Park, Least Concern, Looking, Looking at Camera, Lophocebus albigena, Lophocebus albigena johnstoni, Lophocebus sp, Mammal, Mangabey, Monkey, National Park, Nobody, Old World Monkey, One Animal, Outdoors, Primate, Side View, Uganda, Uganda National Park, Valley, Western Rift Valley, Wildlife