What they look like
The white-naped mangabey has grey-brown fur with a white underside and long black stripe that runs down the back.
Mangabeys communicate by shrieks, whoops, chuckles and grunts as well as flashing their white eyelids with other facial gestures.
What they eat
Mangabey monkeys have large cheek pouches in which they store everything they eat, mainly fruit but also leaves, nuts, seeds, insects and spiders.
On the ground and in the trees of tropical forests
Where they live
Sub- Saharan western Africa
Deforestation and hunting have decimated the mangabey populations making each individual monkey incredibly precious.