Gray Monkeys

Black-Crested Sumatran Langur

Species Name: Presbytis melalophos
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.

Black-capped Squirrel Monkey

Species Name: Saimiri boliviensis
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 Squirrel Monkey

Species Name: Saimiri vanzolinii
The black squirrel monkey, also called the black-headed squirrel monkey or the blackish squirrel monkey is a small New-World monkey native to the central Amazonian region of Brazil. The black squirrel monkey closely resembles the much more common Bolivian squirrel monkey. However, the latter lacks the central black back.

Bengal Sacred Langur

Species Name: Semnopithecus entellus
The Bengal sacred langur, also known as Hanuman's langur and the northern plains gray langur, is a primate species in the Cercopithecidae family. The Bengal sacred langurs are often referred to as "Hanuman's langurs", named after Lord Hanuman - the Hindu god.

Bare-eared Squirrel Monkey

Species Name: Saimiri ustus
The bare-eared squirrel monkey also called the golden-backed squirrel monkey, is a subspecies of the Saimiri sciureus group native to the tropical forests and jungles of South and Central America. The bare-eared squirrel monkey differs from other species because it does not have ear tufts.

Azara’s Night Monkey

Species Name: Aotus azarae
Azara's night monkeys, also known as southern night monkeys and Azara's owl monkeys, are native to the Gran Chaco region of South America, a vast area with many different ecosystems, from savannas to grasslands to dry spiny forests and gallery forests. Genetic testing has shown that the males of this species mated pairs are the fathers of the babies they care for.

Ashy Red Colobus

Species Name: Piliocolobus tephrosceles
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.

Annamese Silvered Langur

Species Name: Trachypithecus margarita
The Annamese langur is another Old-World monkey in the subfamily Colobinae. Annamese langurs are covered in thick, gray fur. They have dark faces, and the space around the eyes is pale and forms a ring, often in the flesh. Trachypithecus margarita is a monotypic species as it has no subspecies.

Angolan Talapoin

Species Name: Miopithecus talapoin
Also known as the Southern talapoin, Angolan talapoin is a primate species in the Cercopithecidae family. Tail color varies from grayish-black to brownish-black above and is yellow or yellowish-gray below. The Angolan talapoin monkeys are among the smallest species of Old-World monkeys.
Andean Night Monkey

Andean Night Monkey

Species Name: Aotus miconax
Andean night monkeys are a genus Aotus, commonly known as nocturnal monkeys or the Peruvian night monkey. Species in this genus are the only truly nocturnal monkeys in the world. Andean night monkeys are not sexually dimorphic as males and females look very similar.

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