Cercocebus sanjei

IUCN

Alias：Cercocebus sanjei,Sanje Mangabey

Basic Information

Scientific classification

name：Cercocebus sanjei
Aliases：Cercocebus sanjei,Sanje Mangabey
Outline：Primates
Family：Cercopithecidae Hoolock

Vital signs

length：44-63cm
Weight：5.3-10.2kg
lifetime：About 20 years

Feature

The tuft of hair on the top of the head is very long, and the fur radiates outward from the middle to the sides.

Details

Sanje Mangabey (scientific name: Cercocebus sanjei), also known as Sanje Mangabey, was once a subspecies of Tana Mangabey and was designated as an independent species in 2005.

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Sanje Mangabey is a diurnal monkey that lives on the ground. Sexually dimorphic behavior patterns: males are more likely to engage in social behaviors, such as fighting. Although mostly terrestrial, they occasionally roost in trees, especially to avoid predators.

The Sanjay River White-browed Monkey has a relatively narrow diet, mainly eating fruits and nuts, especially palm fruits, but also eating stems, roots, shoots, cereals and swamp plants, as well as leaves of grasses, seeds, fungi and fungi. Invertebrates are another staple. They have extremely strong jaws and large incisors to facilitate the consumption of hard food. 25% to 80% of the entire diet varies seasonally, mostly nuts recovered from forest floor litter, and the powerful rear molars can bite through the shells of hard nuts. Occasionally eat animal food, such as ground insects and worms, excluding arthropods.

Listed in the 2008 Red List of Threatened Species of the World Conservation Union (IUCN) ver 3.1 - Endangered (EN).

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Location

Distributed in the United Republic of Tanzania.

Form

The head and body length of the Sanger River Sooty Monkey is 49-63 cm for males and 44-53 cm for females; the tail length of males is 62-76 cm and that of females is 40-60 cm; the weight of males is 9.6-10.2 kg and that of females is 5.3-5.5 kg. It is a medium-sized and long-tailed monkey with yellow-brown fur, with a long tuft of hair on the top of the head, and the fur diverging from the middle to the sides, which is darker in color. Like all Sooty Monkeys in this genus, this species has white eyelids and a dark face, and uses facial expressions to help communicate visually with each other. This species has long molars and very large incisors, which allow the monkey to use them to feed on the seeds in the hard shells of compact fruits.