
The Collared Mangabey, cercocebus torquatus, often distinguished by its white collar of fur that encircles its neck, is a medium to large-sized primate endemic to the dense forests of West Africa. This species exhibits a striking black fur contrasted by the white fur around its neck and cheeks, and possesses a long, tufted tail which is often longer than its body, aiding in balance and communication. Adult Collared Mangabeys can weigh between 7 to 13 kg, with males typically larger and more robust than females. Their expressive faces are framed by a mane of hair, and they have powerful limbs adapted for both arboreal and terrestrial movement.

| Population: | Classified as Vulnerable due to habitat loss and hunting |
| Generation Length: | 5-6 years |
| Average Weight: | 8-10 kg |
| Average Length: | Head and body length: 45-65 cm, Tail length: 50-75 cm |
| Lifespan: | Up to 30 years in captivity, less is known about wild lifespan |
| Diet: | Primarily frugivorous with insects and other small animals included |
| Conservation Status: | Endangered (EN) |
Collared Mangabeys are highly social animals, living in large, multi-male, multi-female groups that can number up to several dozen individuals. These groups maintain complex social structures and communicate using a variety of vocalizations, facial expressions, and body postures. They are diurnal, spending the day foraging for food, grooming, and socializing, while at night, they rest in the trees to avoid ground predators.
Their diet is primarily frugivorous, consisting of a variety of fruits, supplemented with leaves, flowers, seeds, and occasionally insects and small animals. This varied diet allows them to fulfill a crucial role in their ecosystem as seed dispersers, contributing to the health and regeneration of their forest habitats.
Reproduction in the Collared Mangabey is not strictly seasonal, with females giving birth to a single offspring after a gestation period of approximately 5 to 6 months. Infants are highly dependent on their mothers for the first few months of life, during which they develop the skills necessary for social integration within the group.
The population of the Collared Mangabey is currently classified as Vulnerable by the IUCN, facing threats from habitat destruction due to logging, agriculture, and human settlement expansion, as well as from hunting for bushmeat. Conservation efforts are essential to protect their remaining habitats and to implement sustainable land-use practices. The survival of the Collared Mangabey is crucial for maintaining the biodiversity and ecological balance of West African forests, highlighting the need for increased awareness and action to preserve these complex ecosystems and their inhabitants.
Walking, climbing, and leaping
Social, living in large troops
Not specifically quantified; known for agility in trees and on the ground
Omnivore
Tropical rainforests and swamp forests
Non-migratory, but may move within forest areas in search of food
Found in the rainforests of West and Central Africa, specifically in countries like Nigeria, Cameroon, Equatorial Guinea, and Gabon
Prefers tropical, humid rainforest environments
Leopards, crowned eagles, and humans
Fruits, seeds, leaves, and invertebrates
Feeds on fruits, seeds, leaves, insects, and occasionally small animals
Primarily frugivorous with insects and other small animals included
Polygynous
Usually one offspring
About 5-6 months
Collared Mangabeys have distinctive white eyelids that contrast with their dark face.
These eyelids are used in communication, especially during social interactions among the troop. When a Collared Mangabey raises its eyebrows, the white eyelids are prominently displayed, which can serve as a signal in their complex social behaviors. This feature helps them maintain cohesion within their group.



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