COLOBUS MONKEYS

The Colobus genus includes at least six species and seventeen subspecies. The Piliocolobus genus included seventeen species and two subspecies. The Procolobus genus includes one species.

BLACK AND WHITE COLOBUS

Genus: Colobus

Colobus angolensis

CONSERVATION STATUS: VULNERABLE

The Angolan colobus, also called the Angolan black-and-white colobus, primarily inhabits the lush canopy of African forests, which complements their remarkable agility and tree-climbing skills. These strikingly beautiful primates can be found throughout central Africa, with a range that extends from Gabon and Cameroon in…

LEARN MORE ABOUT ANGOLAN COLOBUS MONKEYS

Colobus satanas

CONSERVATION STATUS: VULNERABLE

Black colobus monkeys are endemic to the forests of Equatorial Guinea, southwest Cameroon, Congo and northwestern Gabon. Some are also found on Bioko, a small island off the coast of Cameroon in the Gulf of Guinea. There are two subspecies, the Bioko black colobus (Colobus satanas satanas), only found on Bioko…

LEARN MORE ABOUT BLACK COLOBUS MONKEYS

Colobus guereza

CONSERVATION STATUS: LEAST CONCERN

The guereza colobus monkey, also known as the mantled colobus, eastern black-and-white colobus, magistrate colobus, and by several other variations of the common name, occupies a widespread geographic area that stretches across central Africa. The species’ distribution extends in an easterly direction…

LEARN MORE ABOUT GUEREZA COLOBUSES

Colobus polykomos

CONSERVATION STATUS: ENDANGERED

The king colobus, also known as the western black-and-white colobus, is native to the tropical lowland and montane rainforests on the western coast of Africa, from Gambia to Côte d’Ivoire. They have a strong preference for primary forest, and only rarely inhabit secondary forests or habitats that are degraded…

LEARN MORE ABOUT KING COLOBUSES

Colobus caudatus

CONSERVATION STATUS: VULNERABLE

The Mount Kilimanjaro guereza is a species of Old World monkeys endemic to northern Tanzania and southern Kenya. In Tanzania, they reside in and near the slopes of Mount Kilimanjaro (Kilimanjaro National Park) and Mount Meru (Arusha National Park). In Kenya, they are known to occur only in two small and degraded…

LEARN MORE ABOUT MT. KILIMANJARO GUEREZAS

Photo credit: © ONG ODDB/iNaturalist/Creative Commons

Colobus vellerosus

CONSERVATION STATUS: CRITICALLY ENDANGERED

The white-thighed colobus monkey can be found in several African countries, namely Benin, Côte d’Ivoire, Ghana, and Togo. Some believe that this monkey can also be found in Nigeria, though that is unconfirmed. It is also believed that they have possibly vanished from Burkina Faso. They inhabit lowland rainforests…

LEARN MORE ABOUT WHITE-THIGHED COLOBUSES

OLIVE COLOBUS

Genus: Procolobus

Photo credit: Nik Borrow/Flickr/Creative Commons

Procolobus verus

CONSERVATION STATUS: VULNERABLE

The olive colobus, also called green colobus and Van Beneden’s colobus, is endemic to the western coast of Africa, living in Benin, Cote d’Ivoire, Ghana, Guinea, Liberia, Sierra Leone, and Togo. An isolated population can also be found in eastern Nigeria. Olive colobus monkeys live in the rainforest habitat where they prefer the…

LEARN MORE ABOUT OLIVE COLOBUSES

RED COLOBUS

Genus: Piliocolobus

Piliocolobus tephrosceles

CONSERVATION STATUS: ENDANGERED

The ashy red colobus, also known as the Ugandan red colobus, lives in the jungles of western Uganda and western Tanzania along the eastern border of the Great Rift Valley. There are only about 20,000 ashy red colobuses alive today. Their population is severely fragmented and only five subpopulations are currently…

LEARN MORE ABOUT ASHY RED COLOBUSES

Photo credit: David dO-Schaapsmans/Flickr/CreativeCommons

Piliocolobus foai

CONSERVATION STATUS: ENDANGERED

The Foa’s red colobus, also known as the Central African red colobus monkey, is endemic to the Democratic Republic of Congo. They prefer rain and mountainous forest habitats and can be found at altitudes ranging from 2,953 to 9,186 feet (900–2,800 m) above sea level. Historically, their range started from Kahuzi-… 

LEARN MORE ABOUT FOA’S RED COLOBUSES

Photo: © henrisilegowa/ iNaturalist/Creative Commons

Piliocolobus parmentieri

CONSERVATION STATUS: ENDANGERED

The Lomami red colobus, also known as the Lomami River red colobus, is endemic to the Democratic Republic of the Congo, deep in the rainforests of the Congo Basin. A species is “endemic” to a place when it is found nowhere else in the world. The historic range of the monkeys covered roughly 7,200 square miles (19,000 sq…

LEARN MORE ABOUT LOMAMI RED COLOBUSES

This is the closely related Pennant’s red colobus, of which the Niger River red colobus was once considered a subspecies. Photo credit: ©nathanaelstanek/iNaturalist/Creative Commons

Piliocolobus epieni

CONSERVATION STATUS: CRITICALLY ENDANGERED

The Niger Delta red colobus is native to southern Nigeria. Historically, they occupied about 580 square miles (1,500 square km) of land between the Forcados-Nikrogha Creek and the Sagbama-Osiama-Agboi Creek in the Niger Delta. However, they have since experienced massive habitat and population loss, and exist only in small…

LEARN MORE ABOUT NIGER DELTA RED COLOBUSES

Photo credit: ©nathanaelstanek/iNaturalist/Creative Commons

Piliocolobus pennantii

CONSERVATION STATUS: CRITICALLY ENDANGERED

Red colobus monkeys have been called the most threatened taxonomic group of African primates. The Pennant’s red colobus is, sadly, no exception. The species is Critically Endangered and regularly featured on the list of the 25 most endangered primate species in the world. These monkeys are endemic to Equatorial Guinea…

LEARN MORE ABOUT PENNANT’S RED COLOBUSES

Photo credit: Rbrausse/Creative Commons

Piliocolobus preussi

CONSERVATION STATUS: CRITICALLY ENDANGERED

The Preuss’s red colobus is an African monkey native to western Cameroon and a small section of southeastern Nigeria. They make their homes among high canopies in dense rainforests, and they spend the majority of their time in the upper canopy. Because of illegal hunting and severe threats to their habitats, Preuss’ red…

LEARN MORE ABOUT PREUSS’S RED COLOBUSES

Piliocolobus semlikiensis

CONSERVATION STATUS: VULNERABLE

The Semliki red colobus is restricted to the northeastern part of the Democratic Republic of Congo (DRC). Historically, they were also observed in Uganda. Recent surveys have not seen any evidence of them in that region. In DRC, their geographical range extends from the Lowa River in the southwest to the Oso River…

LEARN MORE ABOUT SEMLIKI RED COLOBUSES

Piliocolobus rufomitratus

CONSERVATION STATUS: CRITICALLY ENDANGERED

The Tana River red colobus is a species of red colobus monkey endemic to the evergreen forests growing along the lower Tana River and Tana River Delta in Kenya. This region’s more arid climate supports significantly less biodiversity of plants and trees than the wet rainforests of East and Central Africa that all other…

LEARN MORE ABOUT TANA RIVER RED COLOBUSES

Photo credit: violettederozier/iNaturalist/Creative Commons

Piliocolobus tholloni

CONSERVATION STATUS: VULNERABLE

The Tshuapa red colobus is endemic to the African nation of the Democratic Republic of Congo, or DRC. There is little known about their true range. Their distribution is broken up across the Congo basin where the habitat is mostly continuous tropical rainforest. It would seem that the Congo and Lomela rivers form boundaries of their distribution, but many expeditions to locate Tshuapa red…

LEARN MORE ABOUT TSHUAPA RED COLOBUSES

Piliocolobus gordonorum

CONSERVATION STATUS: VULNERABLE

As the name suggests, the Udzungwa red colobus is found exclusively in the Udzungwa Mountains in central Tanzania, a country in eastern Africa. Other common names for this species include Uzungwa red colobus and Irinea red colobus. This monkey is just one of many species endemic to the isolated…

LEARN MORE ABOUT UDZUNGWA RED COLOBUSES

Piliocolobus badius

CONSERVATION STATUS: ENDANGERED

You’ll find the western red colobus monkey—also known as the bay red colobus, rust red colobus, and Upper Guinea red colobus—in the tropical rainforests of coastal West Africa. The species’ geographic distribution ranges from southwestern Senegal and the Gambia, south and east to the Nzi-Bandama River system in western….

LEARN MORE ABOUT WESTERN RED COLOBUSES

Piliocolobus kirkii

CONSERVATION STATUS: ENDANGERED

The Zanzibar red colobus, also called the Kirk’s red colobus monkey, is endemic to Ungula, the main island of the Zanzibar archipelago, off the coast of Tanzania. This mainly tree-dwelling species is found in three forests within the island and prefers drier areas over wetter ones. The habitats of Zanzibar red colobuses include…

LEARN MORE ABOUT ZANZIBAR RED COLOBUSES