Brown Monkeys


    Many brown-colored monkeys are critically endangered by the IUCN. Most of the brown monkeys hail from South America. Brown Howler, Brown-backed Bearded Saki, and Brown-mantled Tamarin are a few examples of different types of brown monkeys.

    Explore all brown monkeys in the primates’ order below.

    Agile Mangabey

    Species Name: Cercocebus agilis
    Skin Color(s): Golden Brown, gray, dark Brown or soft black
    The Agile Mangabey is another Old-World monkey of the White-Eylid Mangabey group mainly found in swampy forests. Due to habitat loss, mangabeys are now listed as endangered, both male and female.

    Allen’s Swamp Monkey

    Species Name: Allenopithecus nigroviridis
    Skin Color(s): Brown, gray and green
    Allen's swamp monkeys are small, stocky monkeys with gray to brown fur and long tails. These highly social primates live in the swamp forests of central Africa, where they mostly spend their time in the trees. It was named after Joel Asaph Allen, an American zoologist.

    Aracá Uakari

    Species Name: Cacajao ayresi
    Skin Color(s): Reddish Brown
    The Aracá uakari, also called the Ayres black uakari, is a newly described monkey species endemic to the northwestern Brazilian Amazon. The species was found by Jean-Philippe Boubli of the University of Auckland after following local Yanomamo Indians on their hunts along the Aracá River, a northern tributary of the Negro River.

    Arunachal Macaque

    Species Name: Macaca munzala
    Skin Color(s): Yellowish-Brown
    The Arunachal macaque is a comparatively sizeable brown primate with a relatively short tail. Arunachal macaques were first classified into Cercopithecidae's taxonomy in 2005 by primatologists Madhusudan and Mishra.

    Ashy Red Colobus

    Species Name: Piliocolobus tephrosceles
    Skin Color(s): Black, dark grey, reddish Brown
    The Ashy-red Colobus or Ugandan red Colobus is an endangered species of red Colobus endemic to Eastern Africa. Like other colobus monkeys, Ashy Red has small thumbs that allow it to comfortably grip branches and swing nimbly through the canopy. In 2001, the ashy-red Colobus was recognized as a separate species.

    Assam Macaque

    Species Name: Macaca assamensis
    Skin Color(s): Yellowish-grey and dark Brown
    The Assam macaque, also known as Assamese macaque, is a macaque of the Old-World monkey family endemic to South and Southeast Asia. Assam is another state in India. Eating everything from fruits to 55 types of flowers, leaves, seeds, and bark, these macaque monkeys adapt their diet to suit their habitat.

    Bald Uakari

    Species Name: Cacajao calvus
    Skin Color(s): Orange, Brown, red
    The bald uakari is an Amazon primate with special traits: it has a glossy red bald face, a short tail, and reddish fur. This monkey is highly specialized and is mainly found in palm habitats. The conspicuous crimson color is caused by blood flow under the skin, specifically a thinner epidermis with a higher concentration of capillaries on the face.

    Bale Monkey

    Species Name: Chlorocebus djamdjamensis
    Skin Color(s): Dark Brown
    The Bale monkey, also called the Bale Mountain Vervet, is an endangered, forest-dwelling arboreal primate restricted to a small range in the southern highlands of Ethiopia. The bale monkey depends primarily on a single species of bamboo (Arundinaria Alpina) and favors a bamboo forest habitat. These African primates feature small round heads, and their bodies are covered with a layer of dark-brown fur.

    Barbary Macaque

    Species Name: Macaca sylvanus
    Skin Color(s): Light yellowish Brown
    The Barbary macaque, also called the Magot macaque, is a macaque endemic to the Atlas Mountains in Morocco and Algeria and a small introduced population in Gibraltar. Before the Ice Age, they inhabited the Mediterranean coasts and most of Europe, as far away as the British Isles and Germany.

    Bearded Capuchin

    Species Name: Sapajus libidinosus
    Skin Color(s): Golden-yellow, dark-Brown
    The bearded capuchin, also called the black-striped capuchin, is a New World monkey in the Cebidae family. They are found in central and northern Brazil. Until recently, the bearded capuchins were considered a subspecies of Tufted Capuchins.

    Black Capuchin

    Species Name: Sapajus nigritus
    Skin Color(s): Black, Brown
    The black capuchin, also called the black-horned capuchin, is a capuchin monkey native to the Atlantic rainforest of southeastern Brazil and extreme northeastern Argentina. The black capuchin was originally called Cebus nigritus or Cebus apella nigritus. Although this has changed, many sources still name the black capuchin as part of the Cebus genus.

    Black Howler monkey

    Species Name: Alouatta caraya
    Skin Color(s): Black or yellow-Brown
    Alouatta caraya is found in the tropical rain forests of central South America, extending through eastern Bolivia, Paraguay, southern Brazil, and northern Argentina. Alouatta Caraya monkeys are sexually dimorphic, with males weighing an average of 6.7 kg and females an average of 4.4 kg.

    Black-capped Squirrel Monkey

    Species Name: Saimiri boliviensis
    Skin Color(s): Gray to olive-Brown hue
    The black-capped squirrel monkey is a New-World primate species endemic to the upper Amazon basin in Bolivia, eastern Peru, and western Brazil. Primarily, black-capped squirrel monkeys are arboreal and found in native and plantation forests and some managed areas close to running water.

    Black-Crested Sumatran Langur

    Species Name: Presbytis melalophos
    Skin Color(s): Brownish-gray
    The black-crested Sumatran langur (Presbytis melalophos), also called the Mitred leaf monkey, is a primate species in the Cercopithecidae family. The black-crested Sumatran langur, Raffles' banded langur, Sarawak surili, and black-and-white langur were formerly considered subspecies of Presbytis melalophos.

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