GUENONS

The guenon genus, Cercopithecus, includes at least thirty-three species and forty-seven subspecies. The genus Allochrocebus has three species and two subspecies.

TERRESTRIAL GUENONS

Genus: Allochrocebus

Allochrocebus lhoesti

CONSERVATION STATUS: VULNERABLE

The L’Hoest’s monkey, also known as the mountain monkey, can be found in eastern Democratic Republic of Congo (DRC), Burundi, Rwanda, and western Uganda. It is unknown just how far south their range extends, but they are likely also present along the eastern bank of the Congo River. There are isolated…

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Photo courtesy of ©Brent Huffman/UltimateUngulates

Allochrocebus preussi

CONSERVATION STATUS: ENDANGERED

The Preuss’s Monkey is endemic to various regions in southwest Cameroon, southeast Nigeria, and Equatorial Guinea. This species comprises two subspecies: the Cameroon Preuss’s monkey (A. p. preussi) found on the mainland, and the Bioko Preuss’s monkey (A. p. insularis) found only on Bioko Island, in Equatorial Guinea…

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Photo credit: Peggy Motsch/Creative Commons

Allochrocebus solatus

CONSERVATION STATUS: VULNERABLE

Endemic to central Gabon, sun-tailed monkeys are believed to occupy a range of about 9,700 square miles (25,300 sq km), an area about the size of Vermont. They live in mature mixed forests and sometimes secondary lowland moist forests and prefer altitudes between 460 and 3,220 feet (140–980 m). Because… undergrowth.

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ARBOREAL GUENONS

Genus: Cercopithecus

Cercopithecus mitis

CONSERVATION STATUS: LEAST CONCERN

The blue monkey, also known as the diademed monkeyis an Old World primate that is distributed widely across Africa in a large variety of environments. This arboreal guenon species dwells high in the canopy of contiguous and fragmented lowland and montane tropical moist forests, riverine and gallery forests, delta and…

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Cercopithecus campbelli

CONSERVATION STATUS: NEAR THREATENED

Native to numerous countries along the western coast of Africa, Campbell’s mona monkeys, also called Campbell’s monkeys and Campbell’s guenons, are right at home in a wide variety of habitats, including primary and secondary lowland forest, gallery forest, mangroves, woody savannas, and even areas used for agriculture…

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Cercopithecus pogonias

CONSERVATION STATUS: NEAR THREATENED

The crowned monkey—also known as the crested mona monkey, crowned guenon, golden-bellied guenon, or the golden-bellied monkey—is found in west central Africa, particularly from the Cross River in Nigeria and southern Cameroon to Angola (Cabinda) and east into the Central African Republic. They are also present…

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Cercopithecus neglectus

CONSERVATION STATUS: LEAST CONCERN

The De Brazza’s monkey, also known as the De Brazza’s guenon, the Ayatollah monkey, or the swamp monkey, is a shy and watchful African monkey. Named for Italian-French naturalist and explorer Pierre Savorgnan de Brazza, the species earned its scientific designation, neglectus, from its ability to hide and successfully…

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Cercopithecus diana

CONSERVATION STATUS: ENDANGERED

The Diana monkey is an Old World monkey that is found in West Africa, from Sierra Leon to Ghana. They are primarily arboreal, meaning they spend most of their time in trees, and they live in primary tropical and terrestrial forests. Diana monkeys dwell in the upper canopy of the forest; however, they rarely make nests…

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Photo credit: © dalempijevic1/iNaturalist/Creative Commons

Cercopithecus dryas

CONSERVATION STATUS: ENDANGERED

The Dryas monkey, also known as Salonga monkey, ekele, inoko, the Dryad monkey, Dryas guenon, and Salonga guenon, is one of the least known monkeys in Africa. Virtually everything about the monkey, from their range, to their reproductive habits, to their behavior, is not fully understood, and in some cases, not…

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Cercopithecus hamlyni

CONSERVATION STATUS: VULNERABLE

The Hamlyn’s monkey is also known as the owl-faced monkey or guenon. This elusive and vulnerable primate lives at high altitudes of 3,000–15,000 ft (900–4,500 m) in dense bamboo and primary forests of the Democratic Republic of Congo and Rwanda. These forests are surrounded by rivers and volcanoes, which…

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Cercopithecus petaurista

CONSERVATION STATUS: NEAR THREATENED

Lesser spot-nosed guenons are native to western Africa, residing in the countries of Côte d’Ivoire, Ghana, Guinea, Guinea-Bissau, Liberia, Sierra Leone, Togo, and, possibly, southeastern Senegal. These enchanting primates belong to the family known as Cercopithecidae, and they go by several aliases: lesser white-nosed…

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Photo credit: Teresa Hart/Flickr/Creative Commons

Cercopithecus lomamiensis

CONSERVATION STATUS: VULNERABLE

The lesula is an African monkey, residing in the Lomami Basin in the Democratic Republic of the Congo. Their range is between the Lomami and Tshuapa rivers, in central Congo. Their habitat consists of mature, lowland rain forests. These forests are humid, and consist of tall evergreen trees, Gilbertiodendron dewevrei. They…

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Cercopithecus lowei

CONSERVATION STATUS: VULNERABLE

Lowe’s monkeys are native to the Ivory Coast (Côte d’Ivoire) and Ghana. They live in both protected and unprotected areas, with home ranges estimated between 1.5 to 40 hectares (3 to 98 acres). Lowe’s monkeys, also called Lowe’s guenons or Lowe’s mona monkeys, are terrestrial and can be found in tropical forest environments…

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Cercopithecus mona

CONSERVATION STATUS: NEAR THREATENED

The mona monkey is also known as the mona guenon. It is found in the tropical rainforests of West Africa, spanning a range from Ghana to Cameroon. The mona monkey’s range is focused in the Niger River delta, where they are the most common monkey in the region’s mangrove forests. This species has adapted to a…

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Cercopithecus cephus

CONSERVATION STATUS: LEAST CONCERN

Moustached guenons, also known as moustache monkeys, are native to western Africa. Their geographic distribution begins south and east of the Sanaga River and extends to the banks of the Congo/Ubangi river system. The region where the Congo River empties into the Atlantic Ocean was once thought to be a natural…

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Cercopithecus nictitans

CONSERVATION STATUS: NEAR THREATENED

Putty-nosed monkeys, also known as greater spot-nosed monkeys, white-nosed guenons, or greater white-nosed monkeys, occupy a wide range of dense forest habitats in western and central Africa, including moist tropical lowland forests, montane forests, swamp and mangrove forests, and dense gallery forests. They…

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Photo credit: Mariano Gboja Houngbe/Flickr/Creative Commons

Cercopithecus erythrogaster

CONSERVATION STATUS: ENDANGERED

Red-bellied monkeys, also known as red-bellied guenons, white-throated monkeys, and white-throated guenons, are endemic to southwestern Nigeria, the Nigerian Delta, southern Benin, and Togo. They live in fragmented forest patches of primary, secondary, and riverine lowland moist forests, or in semi-deciduous or swamp…

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Cercopithecus erythrotis

CONSERVATION STATUS: VULNERABLE

The red-eared guenon, also known as the russet-eared guenon or red-eared monkey, is a denizen of Africa. This shy primate’s restricted range extends from the Cross River in southeastern Nigeria to south of the Sanaga River in Cameroon. The species also inhabits the island of Bioko, 20 mi (32 k) off of Africa’s west coast, in…

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Cercopithecus ascanius

CONSERVATION STATUS: LEAST CONCERN

The red-tailed monkey is a species of guenon native to central Africa. Other common names include the black-cheeked white-nosed monkey and the red-tailed guenon. Their home range extends throughout the Central African Republic and the Congo, with southern Sudan as the northern boundary and northern Zambia as…

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Cercopithecus roloway

CONSERVATION STATUS: CRITICALLY ENDANGERED

Roloway monkeys, also known as Roloway guenons, are Old World monkeys endemic to Ivory Coast and Ghana. In the thick canopies of moist, old-growth, lowland, and swamp forests, they remain fantastically out-of-sight. Their elusive natures, combined with the complicated terrain of their habitats, makes tracking…

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Photo credit: LaetitiaC/Creative Commons

Cercopithecus sclateri

CONSERVATION STATUS: ENDANGERED

The Sclater’s guenon, also known as the Sclater’s monkey and the Nigerian monkey, is endemic to southern Nigeria, from the eastern Niger Delta to the Cross River State. The furthest north its range extends is Anambra-Enugu State and central Ebonyi State. Eleven small populations have been confirmed to exist in the states…

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Cercopithecus wolfi

CONSERVATION STATUS: NEAR THREATENED

Also known as Wolf’s mona monkey, Wolf’s guenon is a colorful Old World monkey native to Central Africa. The species’ range includes the countries of Uganda and the Democratic Republic of the Congo (DRC) where the primates can be found in primary (mature) and secondary (younger) lowland forests and also residing in…

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