Sooty Mangabey

Sooty Mangabey

Sooty mangabey

2 languages
Kingdom
Phylum
Subphylum
Class
Order
Suborder
Infraorder
Genus
SPECIES
Cercocebus atys
Population size
Unknown
Life Span
18-26 yrs
Weight
5-11 kg
Length
40-67 cm

The sooty mangabey (Cercocebus atys ) is an Old World monkey found in forests from Senegal in a margin along the coast down to the Ivory Coast.

Di

Diurnal

He

Herbivore

Gr

Granivore

Fr

Frugivore

Te

Terrestrial

Zo

Zoochory

Sc

Scansorial

Po

Polygynandry

So

Social

Do

Dominance hierarchy

No

Not a migrant

S

starts with

Appearance

Sooty mangabeys a rare and endangered monkeys found only in Africa. They are grey to brown-grey in color with a lighter chest and stomach. Their faces are typically grayish pink, with darker fur along the forehead and ears. Given their diet of hard seeds and nuts, Sooty mangabeys have powerful teeth and jaws that help them crack hard nut shells or tear bark from trees.

Distribution

Geography

Sooty mangabeys are native to tropical West Africa; they are found in Guinea, Guinea-Bissau, Liberia, Senegal, Sierra Leone, and Ivory Coast. These monkeys live in old-growth and secondary forests as well as in flooded, dry, swamp, mangrove, and gallery forests.

Sooty Mangabey habitat map

Climate zones

Sooty Mangabey habitat map
Sooty Mangabey
Attribution-ShareAlike License

Habits and Lifestyle

Sooty mangabeys are terrestrial primates and typically spend most of their overall time on the ground. They are active during the day. They live and forage in large, multi-male, multi-female groups of 70-120 individuals. In each group Sooty mangabeys form linear dominance hierarchies within sexes and form coalitions; within these hierarchies, higher-ranking females typically spend less time foraging as opposed to feeding than their lower-ranking counterparts and are more centrally located within groups. Similarly, higher-ranking males are more centrally located within the group, and be better fed and rested. Overall, however, females are found to be located in a more central spatial position within the group and better fed and rested than males, independent of ranking. Sooty mangabeys have many predators and as a result, they have evolved acoustically distinct alarm calls for different predator types. These calls are not vocalized specifically in favor of kin or cooperation partners and in fact, are used by other monkey species to avoid potential predators. Sooty mangabeys also produce other vocalizations for a wide variety of social interactions. They frequently produce grunts, twitters, and screams. Another notable vocalization is "whoop gobbles" - low frequency, extended calls emitted by males at a high volume during the morning, with a nearby group, or with sightings or attacks of predators.

Seasonal behavior

Diet and Nutrition

Sooty mangabeys are primarily herbivores (granivores, frugivores). They typically consume nuts and seeds, fruits and will supplement their diet with invertebrates.

Mating Habits

MATING BEHAVIOR
REPRODUCTION SEASON
May-September
PREGNANCY DURATION
160-170 days
BABY CARRYING
1 infant
FEMALE NAME
female
MALE NAME
male
BABY NAME
infant

Sooty mangabeys have a polygynandrous (promiscuous) mating system in which both the males and the females have multiple partners. Breeding typically takes place from May to September. After the gestation of 160-170 days, the female gives birth to a single infant which is nursed and protected until 4 to 10 months of age. Young females become reproductively mature at about 4.5 years of age while young males start to breed when they are 4 years old.

Population

Population threats

The Sooty mangabey is believed to be decreasing in numbers as its forest habitat is degraded; trees are being felled for firewood and timber and forest habitats used for agriculture. Furthermore, these monkeys are hunted for meat in some parts of their range, often at rates far exceeding the rate at which Sooty mangabeys can reproductively sustain themselves; this increase in hunting, especially with improved technology and an influx of human populations (and thus hunters), has become an increasing threat to the conservation of this species.

Population number

The IUCN Red List and other sources don’t provide the number of the Sooty mangabey total population size. Currently, this species is classified as Vulnerable (VU) on the IUCN Red List and its numbers today are decreasing.

Ecological niche

Sooty mangabeys play an important role in their ecosystem. They consume various seeds and then disperse them throughout their native forests.

Fun Facts for Kids

  • Sooty mangabeys get their name from the color of their pelage.
  • Sooty mangabeys belong to the genus of the white-eyelid mangabeys. They are characterized by their bare upper eyelids, which are lighter than their facial skin coloring, and some locals even call them "four-eyed monkeys".
  • Sooty mangabey often scavenge the remains of coula and panda nuts cracked by chimpanzees and red river hogs. To find these places with remnants, mangabeys use either the sound of cracking nuts or social networks.
  • The unique "whoop gobble" call of Sooty mangabeys can be heard for a distance of up to 1 km (0.6 miles).
  • When mangabeys leap quickly through the forest canopy, their long and strong tail hooks onto branches and provides balance.

References

1. Sooty Mangabey on Wikipedia - https://en.wikipedia.org/wiki/Sooty_mangabey
2. Sooty Mangabey on The IUCN Red List site - https://www.iucnredlist.org/species/136933/92248451

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