Tantalus Monkey
Species Name: Chlorocebus tantalus
The tantalus monkey (Chlorocebus tantalus) is an Old World monkey endemic to Africa, ranging from Ghana to Sudan. It was initially described as a subspecies of Grivet (Chlorocebus aethiops). Tantalus monkeys are very similar to vervet monkeys but are smaller in size.
White-naped Mangabey
Species Name: Cercocebus lunulatus
Cercocebus atys lunulatus now Cercocebus lunulatus, is commonly known as the white-naped, white-headed, or white-necked mangabey (confusing with the collared mangabey). These mangabeys can also distinguish between fruiting and non-fruiting trees and are more likely to approach fruiting trees.
Ursine Colobus
Species Name: Colobus vellerosus
The white-thighed colobus (Colobus vellerosus), also known as ursine colobus, white-thighed black-and-white colobus, and Geoffroy's black-and-white colobus, is a species of primate in the Cercopithecidae family.