De Brazza’s Monkey

De Brazza’s Monkey  Cercopithecus neglectus

Type of Animal:
Old World Monkey

Tropical forest, swamp forest, swamps, wetland forest, seasonally flooded areas, acacia forest

Range from S. Ethiopia to Cameroon down to N. Angola. Fragmented populations in W. Ethiopia, extreme South Sudan, & E. Kenya. Possibly in parts of Tanzania.

White facial hair, brownish-grayish body, orange crest on forehead. Males have blue scrotum.

Fruit, flowers, leaves, mushrooms, beetles, ants, termites, worms, lizards, seeds, sprouts

Status in Wild:

Breeding in zoos

Family troops consist of 3-5 related females & offspring, accompanied by a male. Younger males form bachelor troops.

Additional Info:


Male-16 lbs
Female-9 lbs
Young-3-4 lbs

5-6 months

Body Length:
Male-1.6-2 ft
Female-1.3-1.7 lbs

Life Span:
20-30 years

Tail Length:
Male-2-2.6 ft
Female-1.5-1.8 ft

Main predators are leopards, chimps, raptors, crocodiles, & snakes.

Troops very territorial & display canines at rivals.

Males leave troop earlier than females. Some females stay in same troop for life.

Declining in wild due to habitat loss, deforestation, pet trade, bushmeat, logging, disease, & hunting for fur.

Males are very noisy.

These monkeys are very good at camouflage.

Food stored in cheek pouches sometimes.

Sexually mature at 5-6 years old.

More terrestrial than many other monkeys.

These monkeys are sometimes called “swamp monkeys”.

If seen by predator, whole family freezes in one spot.

These monkeys are very shy & avoid other monkey species.

Like most monkeys, they’re diurnal. Sometimes, they’re crepuscular.

Males make low booming sound to mark territory.

Typically found within a mile of a water source.

Breeding typically coincides w/ when food is most available.

Fun Fact(s):
Neglectus part of scientific name derives from excellent hiding abilities.

These monkeys, like others, don’t make good pets.

Sometimes called “Ayatollah Monkeys” due to noticeable beard.

One of the few monkeys that can swim.

Named for French explorer Pierre Savorgnan de Brazza, who founded Congolese capital city Brazzaville.

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