Owl-faced Guenon Cercopithecus hamlyni

Pocock, 1907

Hamlyn's monkey (Cercopithecus hamlyni), also known as the owl-faced monkey, is a species of Old World monkey that inhabits the bamboo and primary rainforests of the Congo. This species is exceedingly rare and known only from a few specimens; little is known about it. However these specimens tend to be widely dispersed throughout the eastern part of Congo, from the Epulu River to the Lukuga River and from the Congo River to the Kabale Forest, with one example in northwestern Rwanda.

Description: Medium sized, with a large, rounded face clearly marked with a conspicuous narrow vertical white band running from the forehead to the upper lip. The upperparts are dark olive-green and somewhat grizzled, while the underparts and legs are black bushy tassel.

Distribution: Montane and lowland areas in the east-central DRC and marginally in south-western Uganda.

Status: Considered vulnerable

Habitat: Montaine forest up to 4600 m altitude, and lowland and bamboo forest

Behaviour: Live in small troops of fewer than ten individuals, which are led by an adult male. Although they forage in the trees, they also spend a lot of their time on the ground. Nothing else is known of behaviour in the wild. Reports of night activity not reliably confirmed.

Food: Mixed diet including fruits, leaves and insects.

Reproduction:  nothing recorded in the wild.

information quoted from Field Guide to the Larger Mammals of Africa, by Chris & Tilde Stuart, 1997 Struik Nature

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