Monkeys Starting with N

Nancy Ma’s Night Monkey (Aotus nancymaae) is a species of night monkey from South America. Nancy Ma’s night monkeys are social. They form small groups of 2 to 5 individuals, all directly related to each other.

The Napo saki (Pithecia napensis), also called the Napo monk saki, is a species of saki monkey, a type of New World monkey. The species’ common name is derived from the Napo River in its locality.

The Natuna Island Surili (Presbytis natunae) is a primate species in the Cercopithecidae family. The species is native to the Indonesian island of Natuna Besar. The species is native to the Indonesian island of Natuna Besar.

The Neblina uakari (Cacajao hosomi), black-headed uakari, is a recently described monkey species from the extreme northwest of the Brazilian Amazon and adjacent southern Venezuela. Neblina uakari’s English name refers to the Pico da Neblina, which marks its known distribution approximate center.

The Nepal gray langur (Semnopithecus schistaceus) is a gray langur native to the Himalayas of Nepal, extreme southwestern Tibet, northern Pakistan, northern India, Bhutan, and possibly Afghanistan. The Nepal gray langur is both terrestrial and arboreal.

The Niger Delta red colobus is a Critically Endangered swamp-forest monkey of southern Nigeria. Scientists first documented it in 1993. Fewer than a thousand are thought to survive in the western Niger Delta.

The Nilgiri langur (Semnopithecus johnii), also called the black-leaf monkey, John’s langur, and Indian hooded leaf monkey is a langur (a species of Old-World monkey) found in the Nilgiri foothills of the Western Ghats in southern India.

The North Sumatran leaf monkey (Presbytis thomasi), also called Thomas’s langur, is a primate species in the Cercopithecidae family. The North Sumatran leaf monkeys spend most of the day in groups resting, moving, or feeding.

The northern muriquí (Brachyteles hypoxanthus) is an endangered species of woolly spider monkey or muriquí endemic to Brazil. When searching for fruit and leaves in tall trees, these monkeys use their tails for support.

The northern pig-tailed macaque (Macaca leonina) is a macaque species in the Cercopithecidae family. Typical of this group of Old World monkeys, northern pig-tailed monkeys are gregarious, living in social groups of 9-81 individuals.

The Novaes' bald uakari was named as a subspecies in 1987 and raised to a full species by a 2022 genomic revision. It lives in one stretch of Amazonas forest between the Rio Gregório and the Rio Tarauacá, an extent of occurrence of about 3,757 square kilometers, and its southern limit has never been mapped. The IUCN lists it as Near Threatened, citing a small range, low genetic diversity, and a population thought to number fewer than 2,500 and falling.