Common patas monkey
The common patas monkey (Erythrocebus patas), also known as the hussar monkey, is a ground-dwelling monkey distributed over semi-arid areas of West Africa, and into East Africa. == Taxonomy == There is some confusion surrounding if there are valid subspecies, with some listing four, others three, and others listing two: the western Erythrocebus patas patas (with a black nose) and the eastern E. patas pyrrhonotus (with a white nose).