Lophocebus albigena (Gray, 1850), Mayombe, Zaire. Traditionally, all mangabeys were included in the genus Cercocebus. However, morphological evidence that was subsequently confirmed by molecular data indicated that there are, in fact, two distinct groups that have independently undergone shortening
of the face, such that a pronounced hollow (fossa) has developed below each eye socket. Predominantly arboreal mangabeys that are more closely allied to baboons are now allocated to the separate genus Lophocebus.
OTHER COMMON NAMES
English: Mantled mangabey; French: Mangabe a gorge blanche; German: Mantelmangabe.
Long fur, blackish brown dorsally and dark gray ventrally. There is a single or paired tuft of hair on the head and there are long, pale whiskers on the cheeks. A cape of longer hair covers the shoulders, more prominently in males. There is moderate sexual dimorphism in body size. Head and body length: 22.5 in (56.0 cm) for males and 21 in (52.0 cm) for females; tail length: 32 in (80.0 cm) for males and 28.5 in (71.5 cm) for females. Body mass: 18 lb 3 oz (8.25 kg) for males and 13 lb 4 oz (6.00 kg) for females.
Range extends across tropical Africa from the Cross River in Nigeria eastwards into Uganda and Burundi and southwards to the coast of Gabon and the Alima River in Congo-Brazzaville.
Primary evergreen tropical rainforest, swamp forest, flooded forest, and semi-deciduous forest in some areas.
Diurnal and essentially arboreal. Sleeps in trees at night. Lives in multimale groups of moderate size.
FEEDING ECOLOGY AND DIET
Predominantly eats fruit, but also feeds on animal prey (both invertebrates and vertebrates), leaves, and flowers.
Polygamous. Single births are typical. Females do not have a sexual swelling. Gestation period 176 days.
Not currently regarded as threatened.
SIGNIFICANCE TO HUMANS
Frequently hunted as a source of bushmeat. ♦
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