Owl-faced Monkey, Owl-faced Guenon, Owl-faced guenon, Hamlyn’s Monkey
(Cercopithecus hamlyni)
Status: Vulnerable
https://apiv3.iucnredlist.org/api/v3/taxonredirect/4219
https://en.wikipedia.org/wiki/Hamlyn%27s_monkey
https://commons.wikimedia.org/wiki/File:Cercopithecus%20hamlyni.jpg