Types of New-World Monkeys


    New-World Monkeys

    The term “New World monkey” is a broad label that refers to any species that falls under one of the five taxonomic families of the Ceboidea superfamily: Cebidae, Callitrichidae, Atelidae, Pitheciidae, and Aotidae.

    There are 23 genera and 179 species of New World monkeys distributed across southern Mexico and South and Central America.

    Many different types of New World monkeys exist, including howler monkeys, marmosets, capuchins, sakis, night monkeys, tamarins, and more.

    Characteristics of New-World Monkeys

    Here are the main characteristics shared by New World monkeys:

    • new world monkey diet

      Diet

      The diet of New World monkeys cannot simply be generalized—it largely depends on the particular species in question. Nevertheless, some of the common foods eaten by these monkeys are fruits, insects, tree gums, and seeds; many species are primarily frugivores or insectivores[1].

    • New-World Monkey Reproduction

      Gestation/Reproduction

      For the most part, smaller New World monkeys tend to stick to monogamy, while larger species are more likely to be polyamorous[2]. Interestingly, unlike many other primate groups, female New World monkeys do not have periods. It should also be noted that although the gestation period of New World monkeys varies by species, it is usually around 145 days (about 5 months).

    • New-World Monkey Tail

      Tail

      All New World monkeys possess tails; in certain species, they are prehensile, meaning they can be used to grasp and hold objects, acting like a fifth limb of sorts[5].

      One of the most well-known uses in monkeys is to dangle from a tree branch (by tightly wrapping the prehensile tail around it). It should be noted that only 4 genera of New World monkeys have these useful appendages: Ateles (spider monkeys), Lagothrix (woolly monkeys), Brachyteles (woolly spider monkeys), and Cebus (capuchin monkeys)[6].

    • New-World Monkey Body Size

      Body Size

      In general, New World monkeys are mainly small to medium-sized. Specifically, the smallest New World monkey species in the world is the pygmy marmoset (Finger Monkey) (Cebuella pygmaea); it weighs around 3 to 5 ounces and can be 4 to 6 inches long[7].

      On the other hand, one of the largest New World monkey species is the Yucatan black howler monkey (Alouatta pigra), which can weigh up to 11.4 kilograms, and is about 26 inches long[8].

    • New-World Monkey Teeth

      Teeth

      All New World Monkeys share a dental formula of 2.1.3.3[9]. This essentially means that each quadrant of the mouth has 2 incisors (which are used to bite food directly) and 1 canine (which is used to tear food), as well as 3 molars and premolars each (both of which are used to chew food).

    • New-World monkey social behavior

      Social Behavior

      The social groups and structures of New World monkeys vary between species. For instance, some genera live in small groups consisting of only close family (mates and children). Conversely, other genera live in large groups made up of many different families; these groups can be made up of as many as 50 to 60 individuals [10].

    • New-World Monkey Eyes

      Eyes

      New-World monkeys are known for their large eyes; however, the quality of their color vision varies between species. For example, in some species, all males possess dichromatic vision (meaning they only have two cone cells in their retinas that perceive color), while females’ vision can either be trichromatic (which means they have three cone types in their retinas), or dichromatic like males[11].

      On the other hand, all species of howler monkeys, male and female, have been found to have a trichromatic vision[12].

    • New-World Monkey Limbs

      Limbs

      All New-World monkeys possess relatively long limbs and have a locomotor pattern of quadrupedal walking[3]. It is also worth mentioning that the thumbs of New World monkeys, unlike Old World monkeys, are not opposable (meaning they cannot move independently from the hand)[4].

    Types of New-World Monkeys

    Alta Floresta Titi

    Species Name: Plecturocebus grovesi
    The Alta Floresta titi is a distinct but unnamed form of titi (Plecturocebus) rediscovered in 2011 in Chapada dos Parecis, a plateau in the far south of the Brazilian state of Rondônia. This species lives exclusively between the Teles-Pires and Juruena rivers in Mato Grosso.

    Amazon Black Howler

    Species Name: Alouatta nigerrima
    Amazon Black Howler is a New World tropical arboreal characterized by densely furry, prehensile tails, all-black faces, a stocky build, relatively large size, and loud howls. According to researchers, its howl sounds like a strong wind blowing through a tunnel can be heard more than two miles away.
    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.

    Andean Saddle-back Tamarin

    Species Name: Leontocebus leucogenys
    The Andean saddle tamarin, also known as the saddleback tamarin (formerly known as the brown-mantled tamarin), is a New World monkey species. Andean saddleback monkeys are considered "phyletic dwarfs," meaning their small size is related to their evolutionary development.

    Aracá Uakari

    Species Name: Cacajao ayresi
    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.

    Ashy Black Titi

    Species Name: Plecturocebus cinerascens
    The Ashy black titi is a species initially described in 1823 as Callicebus cinerascens. Ashy black titi monkeys live in small families comprising a monogamous pair and their young. Adult males tend to carry their infants unless the mother is nursing.

    Atlantic Titi

    Species Name: Callicebus personatus
    The Atlantic titi, also known as the masked titi, inhabits the rainforests of the Atlantic coast of Brazil east of the Andes in the states of Bahia, Espírito Santo, northwest of Minas Gerais, north of Rio de Janeiro, and São Paulo. This species, found nowhere else in the world, inhabit the tropical forests of Brazil's Atlantic coast east of the Andes.

    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.
    Bald Uakari

    Bald Uakari

    Species Name: Cacajao calvus
    The obscure Bald Uakari (Cacajao Calvus) is an acrobatic Amazonian monkey with a flaming red face uniquely adapted to periodically flooded forests. Surprising insights on its taxonomy, specialized seed-based diet, unusual social life, habitat flexibility, and urgent need to conserve diminishing flooded forest habitat across the Amazon Basin.

    Barbara Brown’s Titi

    Species Name: Callicebus barbarabrownae
    Barbara Brown's titi also known as the northern Bahian blond titi or blond titi monkey, is a New World monkey species. Barbara Brown's titi is named in honor of Barbara Elaine Russell Brown, a zoologist.

    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.

    Bearded Capuchin

    Species Name: Sapajus libidinosus
    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.

    Bearded Saki

    Species Name: Chiropotes chiropotes
    The bearded sakis or cuxiús are five species of New World monkeys classified in the genus Chiropotes. Bearded saki shows slight sexual dimorphism: males are usually taller and have longer, more prominent beards than females.

    Black Bearded Saki

    Species Name: Chiropotes satanas
    The black-bearded saki is a species of bearded saki, a species of New World monkey, one of the five remaining monkeys of its kind. Another striking feature is its signature beards. This species prefers primary rainforest, where lush tree canopies provide a relatively safe area out of sight and out of reach of several predators.

    Black Capuchin

    Species Name: Sapajus nigritus
    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
    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 Lion Tamarin

    Species Name: Leontopithecus chrysopygus
    The black lion tamarin, also called the golden-rumped lion tamarin, is a lion tamarin native to the Brazilian state of Sao Paulo, almost exclusively in Morro do Diabo State Park. Its limited geographic range makes it the rarest of the New-World monkeys.

    Black Spider Monkey

    Species Name: Ateles paniscus
    Ateles paniscus, the black spider monkey, is one of three sub-species of spider monkeys. Aside from the face, feet, and hands, they are covered in jet-black hair longer than a typical primate. Of all the Ateles species, Ateles paniscus is the largest.

    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.

    Black Tamarin

    Species Name: Saguinus niger
    Also known as western black-handed tamarind, the black tamarind is a species of tamarin native to Brazil. Black tamarind uses primary and secondary forests during foraging, primarily attaching itself to the canopy and spending little time on the ground.

    Black Titi

    Species Name: Cheracebus lugens
    The Black Titi (Cheracebus lugens) is a species of Titi, a New World monkey endemic to South America. It is found in Venezuela, Colombia, and Brazil. It is also known as White-chested Titi.

    Black Uakari

    Species Name: Cacajao melanocephalus
    Also called the golden-backed black uakari, golden-backed uakari, and Homboldt's black-headed uakari, the black uakari, is a species native to southwestern Venezuela, southeastern Colombia, and northwestern Brazil. The face of Cacajao melanocephalus is black and bare, hence the common name "black uakari" or "black-faced uakari". The hands and lower limbs are black too.

    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-faced Lion Tamarin

    Species Name: Leontopithecus caissara
    The black-faced lion tamarin, also known as superagüi lion tamarin, is a small New-World primate in the Callitrichidae family. Black-faced lion tamarins are diurnal and seek refuge in hollows or tree holes at night.

    Black-fronted Titi

    Species Name: Callicebus nigrifrons
    The black-fronted titi is a New-World monkey native to Brazil. Black-fronted titi monkeys have short faces, fluffy bodies, long legs, and long fluffy tails. The black-fronted titi monkey is listed as Near Threatened by the IUCN due to extensive habitat loss and fragmentation in the remnant Atlantic Forest in southeastern Brazil.

    Black-headed Marmoset

    Species Name: Mico nigriceps
    The black-headed marmoset is a species of marmoset native to Brazil. It inhabits tropical rainforests, mainly second growth and fringes. Black-headed marmoset lives in large family groups of 4 to 15 individuals. Typically, only one female per group breeds during any given breeding season.

    Black-headed Night Monkey

    Species Name: Aotus nigriceps
    The black-headed night monkey is a nocturnal monkey species native to South America. The monkeys are small primates about the size of a small squirrel. The black-headed night monkeys in Peru have mainly inhabited degraded areas.

    Black-Headed Spider Monkey

    Species Name: Ateles fusciceps
    The black-headed spider monkey (Ateles fusciceps) is a species of New-World monkey native to Central and South America. The species name "Ateles" is derived from the Greek word "ateleia" meaning imperfect or incomplete. It was likely chosen because these monkeys do not have a thumb. There are 2 additional sub-species of black-headed spider monkey namely Brown-headed spider monkey (Ateles fusciceps fusciceps) and Colombian spider monkey (Ateles fusciceps rufiventris).

    Black-mantled Tamarin

    Species Name: Leontocebus nigricollis
    The black-mantled tamarin is a saddleback tamarin native to northwestern Amazonia in far western Brazil, eastern Ecuador, southeastern Colombia, and northeastern Peru. Leontocebus nigricollis live in small multi-male and multi-female social groups of 4 to 12 and occupy 30 to 50 hectares.

    Black-Tailed Marmoset

    Species Name: Mico melanurus
    The black-tailed marmoset is a New-World monkey species native to central South America. It is distributed from south-central Amazonia in Brazil to the Chaco far north of Paraguay. Black-tailed marmosets are arboreal and diurnal, using their claws for tree climbing.

    Black-Tufted Marmoset

    Species Name: Callithrix penicillata
    The black-tufted marmoset, also called the Black-pencilled marmosets or Mico-estrela in Portuguese is a type of New-World monkey. They live mainly in the neotropical gallery forests of the central Brazilian plateau.

    Blond Capuchin

    Species Name: Sapajus flavius
    The blond capuchin monkey is one of the capuchin monkeys native to northeastern Brazil. These Blonde monkeys get their name from the distinctive golden-blond fur on their bodies. Like other primate species, the blond capuchin is threatened by poaching and trapping for the illegal pet trade.

    Bolivian Red Howler

    Species Name: Alouatta sara
    The Bolivian red howler monkey is a New-World monkey species native to neotropical South America. The Bolivian red howlers live in groups of 1 to 3 males and 2 to 7 females. Males in bachelor groups try to dominate the female group by wrestling the lead male.

    Brazilian Bare-Faced Tamarin

    Species Name: Saguinus bicolor
    The pied tamarin, also known as the pied bare-faced tamarin or Brazilian bare-faced tamarin, has one of the smallest home ranges of any primate in the world, located in and around the port city of Manaus.

    Brown Howler Monkey

    Species Name: Alouatta guariba
    The brown howler monkey, also called the brown howler monkey, is a species of New World monkey that lives in the forests of southeastern Brazil and northeastern Argentina. Despite the common name "brown howler", its color is remarkably variable, with some individuals mainly appearing black or reddish-orange.

    Brown Titi

    Species Name: Plecturocebus brunneus
    The brown titi is another species of titi, a New World monkey native to South America. It was initially described in 1842 as Callicebus brunneus and transferred to the new genus Plecturocebus in 2016.

    Brown Weeper Capuchin

    Species Name: Cebus brunneus
    The brown weeper capuchin, or Venezuelan brown capuchin, is a species of graceful capuchin monkey native to Venezuela. Unlike spider monkeys, brown weeper capuchin monkeys can't hang by their tails because they cannot support their body weight.

    Brown-backed Bearded Saki

    Species Name: Chiropotes israelita
    The brown-backed bearded Saki is one of 5 species of bearded Saki, a New World monkey species. Bearded sakis have a unique appearance. They are born with prehensile tails, which they retain for the first two months of their life. This allows them to cling to their mother's body. After this time, the tail becomes non-prehensile.

    Brown-mantled Tamarin

    Species Name: Leontocebus fuscicollis
    The brown-mantled tamarin also called the Spix's saddleback tamarin, is a species of saddleback tamarin native to South America. The species are considered "phyletic dwarfs," meaning their small size is linked to their evolutionary development.

    Brumback’s Night Monkey

    Species Name: Aotus brumbacki
    Brumback's Night Monkey is a nocturnal monkey species found in Colombia. Still, recently, it has been argued that it should be considered a separate species. The species is named in honor of the American naturalist and physician Roger Brumback.

    Buffy-headed Marmoset

    Species Name: Callithrix flaviceps
    The buffy-headed marmoset is a rare species of marmoset native to the tropical rainforests of southeastern Brazil. These miniature and shy monkeys are mostly tree dwellers, crawling on 4 legs (quadrupeds) from tree to tree with jerky, squirrel-like movements.

    Buffy-tufted Marmoset

    Species Name: Callithrix aurita
    The buffy-tufted marmoset, also called the white-eared marmoset or buffy-tufted-ear marmoset is a New World monkey living in the forests of the Atlantic coast of southeastern Brazil. Unlike most marmoset monkeys, buffy-tufted-ear marmosets are mainly insectivorous, although their diet is generally carnivorous.

    Burnished Saki

    Species Name: Pithecia inusta
    The Burnished saki is a species of saki monkey, a species of New World monkey. It is located in central Peru and a small part of adjacent Brazil. The species was described by Johann Baptist von Spix in 1823 but was later merged with the monk saki (Pythecia monachus).

    Caquetá Titi

    Species Name: Plecturocebus caquetensis
    The caquetá titi also called the bushy-bearded titi or red-bearded titi, is a species of titi monkey native to Colombia in the Caquetá region. Dr. Marta Bueno, Thomas Defler, and their student Javier García of the National University of Colombia are credited with the 2008 discovery of the Caquetá-Titi monkey.

    Cazuza’s Saki

    Species Name: Pithecia cazuzai
    Cazuza's Saki is native to northwestern Brazil. Populations of this species were previously classified as Rio Tapajós saki (Pithecia irrorata). Still, a 2014 study found that these populations had a pelage distinct from all other species in the genus and were therefore considered their own species, Pithecia cazuzai.

    Central American Squirrel Monkey

    Species Name: Saimiri oerstedii
    The Central American squirrel monkey also called the red-backed squirrel monkey, is a squirrel monkey type native to the Pacific coast of Panama and Costa Rica. Central American squirrel monkeys spend most of their lives in the middle and upper layers of the tree canopy.

    Chacoan Titi Monkey

    Species Name: Plecturocebus pallescens
    The Chacoan Titi Monkey is a species of titi (also called White-coated Titi), a type of New World monkey native to South America. These diurnal monkeys are stealthy and hard to spot as they navigate the canopy. They move between branches and trees by walking or jumping on four limbs.

    Chestnut-bellied Titi

    Species Name: Plecturocebus caligatus
    The chestnut-bellied titi monkey is a New World primate species native to Brazil. The Chestnut-bellied Titi monkeys live in family groups consisting of father, mother, and baby monkeys ranging in size from three to seven with other affiliates.

    Coastal Black-handed Titi

    Species Name: Callicebus melanochir
    The coastal black-handed titi is another species of titi, a New World primate native to the Atlantic Forest of northeastern Brazil. Coastal black-handed Titi monkeys vocalize synchronously early in the morning, possibly to announce their presence in their territory.

    Coimbra Filho’s Titi

    Species Name: Callicebus coimbrai
    or Coimbra titi is a species of titi, a New World primate native to the forests of the Brazilian states of Sergipe and Bahia. It is named in honor of Adelmar F. Coimbra-Filho, founder and former director of the Rio de Janeiro Primate Center, for his Brazilian biology and primatology work.

    Collared Titi

    Species Name: Cheracebus torquatus
    The collared titi, also called the widow monkey, or yellow-handed monkey inhabits the lush rainforests of the Amazon and is typically found south of Río Negro and north of Río Solimões. Titi monkeys are often known to "duet" with each other, either between an adult female and an adult male, an adult female and her son, or an adult male and his daughter.

    Collins’ Squirrel Monkey

    Species Name: Saimiri collinsi
    Collins' Squirrel Monkey is a species of squirrel monkey endemic to Brazil. Until a genetic study by Jessica Lynch Alfaro et al. raised them to the species category, Collins' squirrel monkey had been considered a subspecies of the squirrel monkey (Saimiri sciureus).

    Colombian Black-handed Titi

    Species Name: Cheracebus medemi
    The Colombian Black-handed titi is a species of titi, a New World primate native to Colombia. The Colombian black-handed titi is a diurnal and arboreal monkey that prefers to live in dense forests near water.

    Common Marmoset

    Species Name: Callithrix jacchus
    The common marmoset, also known as white-tufted-ear marmoset or white-tufted marmoset, is a type of New World monkey. As they have adapted to life at the forest edge of southeastern Brazil, common marmosets have also learned to take advantage of the region's plantations.

    Coppery Titi

    Species Name: Plecturocebus cupreus
    The coppery titi, or the red titi, is a species of titi, a type of New-World monkey native to South America. Coppery titi monkeys have dense fur that covers most of the body except for the face.

    Cotton-Top Tamarin

    Species Name: Saguinus oedipus
    The cotton-top tamarin is another small New-World primate found at the edge of tropical and secondary forests in northwestern Colombia. The common names "cotton-headed tamarin" and "cotton-top tamarin" are derived from the white hairs that spread across the head and flow down the neck.

    Cruz Lima’s Saddleback Tamarin

    Species Name: Leontocebus cruzlimai
    The Cruz Lima saddleback tamarin is a species of saddleback tamarin, a small monkey native to South America. The Cruz Lima saddleback tamarins were formerly thought to be a subspecies of the brown-mantled tamarin (Leontocebus fuscicollis).

    Eastern Black-handed Tamarin

    Species Name: Saguinus ursula
    The Eastern black-handed marmoset (Saguinus ursulus) is a species of marmoset native to Brazil. These tamarins are mainly covered in jet-black fur, with only a small area around the nose and eyes and most hairless ears.

    Eastern Pygmy Marmoset

    Species Name: Cebuella niveiventris
    The eastern pygmy marmoset is a species of marmoset, a tiny New World monkey found in the southwestern Amazon rainforest. Notably, at just over 100 grams (3.5 ounces), the eastern pygmy marmoset is the smallest monkey and among the smallest primates in the world.

    Ecuadorian Capuchin

    Species Name: Cebus aequatorialis
    The Ecuadorian capuchin, also known as the Ecuadorian white-fronted capuchin, is a species of a graceful capuchin monkey in the Cebidae family. The highest-ranking female dominates all group members except the highest-ranking male.

    Ecuadorian Squirrel Monkey

    Species Name: Saimiri macrodon
    The Ecuadorian squirrel monkey is a species of the squirrel monkey. Although it occasionally ventures to the ground to play or feed, the Ecuadorian squirrel monkey is strictly an arboreal primate.

    Emilia’s Marmoset

    Species Name: Mico emiliae
    The Emilia's marmoset also called the Snethlage's marmoset, is a marmoset native to Brazil. The species is named after Emilie Snethlage, a German-born Brazilian ornithologist.

    Emperor Tamarin

    Species Name: Saguinus imperator
    The Emperor Tamarin is a species of tamarin named for its resemblance to the German Kaiser Wilhelm II. It lives in the states of Acre and Amazonas, western Brazil, and the southwestern Amazon basin.

    Equatorial Saki

    Species Name: Pithecia aequatorialis
    The Equatorial Saki, also known as the red-bearded Saki, is a species of saki monkey and New World monkey. They are most common in riparian, seasonally flooded, and swampy forests but have also been seen in terra firme forests.

    Geoffroy’s Monk Saki

    Species Name: Pithecia monachus
    Geoffroy's monk saki, also called monk saki, is a species of saki monkey, a New-World primate native to South America. A monk saki is one of seven species of New-World arboreal monkeys with a bushy, feathery tail.

    Geoffroy’s Saddleback Tamarin

    Species Name: Leontocebus nigrifrons
    Geoffroy's Saddleback Tamarin is a saddled tamarin, a species of small monkey native to South America. Geoffroy's saddleback tamarins often associate and form mixed groups with mustached tamarins (Saguinus mystax). Both species often perch in the same tree, responding to each other's alarm calls.

    Geoffroy’s Spider Monkey

    Species Name: Ateles geoffroyi
    Geoffroy's spider monkey (Ateles geoffroyi) also called the Central American spider monkey or black-handed spider monkey, is a species of spider monkey. The species name geoffroyi is honored by Étienne Geoffroy Saint-Hilaire, a French naturalist. The Geoffroy's spider monkey consists of five recognized subspecies residing in various parts of Central America and Mexico. These include the Hooded spider monkey (A. g. grisescens) in southern Mexico, the ornately-patterned Ornate spider monkey (A. g. ornatus) in Costa Rica and Panama, the Yucatan spider monkey (A. g. yucatanensis) in the Yucatan Peninsula, the Mexican spider monkey (A. g. vellerosus) in Veracruz, and the nominate Nicaraguan spider monkey subspecies (A. g. geoffroyi) found in Nicaragua, Honduras and northern Costa Rica.

    Geoffroy’s Tamarin

    Species Name: Saguinus geoffroyi
    Geoffroy's tamarin, also called the Panamanian tamarin, red-crested tamarin, or rufous-naped marmoset tamarin, is a tamarin, a small monkey found in Colombia and Panama. In what may seem like a role reversal in many monkey species, Geoffroy's tamarins are led by the oldest female in a group.

    Goeldi’s Marmoset

    Species Name: Callimico goeldii
    Goeldi marmoset or Goeldi monkey is a small South American New-World monkey living in the upper Amazon basin region of Brazil, Bolivia, Ecuador, Colombia, and Peru. Goeldi marmosets generally stay less than 5 meters from the forest floor, moving to higher elevations for fruit.

    Gold-And-White Marmoset

    Species Name: Mico chrysoleucos
    The gold-and-white marmoset, also called the golden-white tassel-ear marmoset, is a species of marmoset, a tiny monkey native to the Amazon rainforest in the eastern Amazonas state of Brazil.
    Orange Monkeys

    Golden Lion Tamarin

    Species Name: Leontopithecus rosalia
    The golden lion tamarin (Leontopithecus rosalia), also called the golden tamarin, is a small New World primate in the Callitrichidae family. The golden lion tamarin derives its name from its vivid reddish-orange coat and extra-long hair around its face and ears, giving it a distinctive mane.

    Golden-Bellied Capuchin

    Species Name: Sapajus xanthosternos
    The golden-bellied capuchin (Sapajus xanthosternos), also called the buff-headed or yellow-breasted capuchin is a New World monkey species. They spend much time grooming one another for socialization, with the alpha species receiving the most attention.

    Golden-faced Saki

    Species Name: Pithecia chrysocephala
    The golden-faced saki (Pithecia chrysocephala) is a New World monkey found on the northern side of the Amazon on both sides of the Rio Negro in Brazil. This species was previously classified as a subspecies of white-faced saki (Pithecia pithecia) but was upgraded to full species status in 2014.
    Golden-headed Lion Tamarin

    Golden-Headed Lion Tamarin

    Species Name: Leontopithecus chrysomelas
    The golden-headed lion tamarin (Leontopithecus chrysomelas), also known as the golden-headed tamarin, is a lion tamarin native to Brazil. It is only found in fragments of lowland and premontane forests in the state of Bahia and is therefore considered an endangered species.

    Golden-mantled Tamarin

    Species Name: Leontocebus tripartitus
    The golden-mantled tamarin (Leontocebus tripartius) is native to South America. The golden-mantled tamarin is an arboreal, diurnal species that leaps and walks quadrupedally through the undergrowth.

    Gray’s Bald-faced Saki

    Species Name: Pithecia irrorata
    Gray's Bald-faced Saki (Pithecia irrorata), also known as Rio Tapajós saki, is a New World monkey native to South America. These monkeys are renowned for being reclusive because they avoid humans and quiet nature.

    Guianan Brown Capuchin

    Species Name: Sapajus apella
    The tufted capuchin (Sapajus apella), also called the pin monkey, Guianan brown capuchin, or black-headed capuchin is a New World monkey native to South America and the Caribbean islands of Margarita and Trinidad.

    Guianan Saki

    Species Name: Pithecia pithecia
    The white-faced saki (Pithecia pithecia), also known as the golden-faced saki, Guianan saki, and Guyana saki, is a New World saki monkey species. Typically, they have a lifespan of around 14 years in the wild and have lived up to 36 years in captivity.

    Guianan Squirrel Monkey

    Species Name: Saimiri sciureus
    The Guianan squirrel monkey, also called the South American squirrel monkey, is a squirrel monkey found in Guiana, Brazil, and Venezuela. Saimiri sciureus was once thought to belong to the Collins' squirrel monkey and the Humboldt's squirrel monkey. Still, genetic research in 2009 and 2015 showed they were different species.

    Guianan Weeper Capuchin

    Species Name: Cebus olivaceus
    The wedge-capped capuchin (Cebus olivaceus), also known as Guianan weeper capuchin, is a capuchin monkey native to South America. Wedge-capped capuchins get their name from a black triangle of dark fur centered on their forehead.

    Guyanan Red Howler Monkey

    Species Name: Alouatta macconnelli
    The Guyanan red howler monkey (Alouatta macconnelli) also known as Guianan Red Howler, is a New World monkey native to Guyana, Suriname, Trinidad, Venezuela, and Brazil. Each troop has a hierarchy consisting of a single dominant alpha male, sometimes with 1 or 2 subadult males. The rests are females and their young.

    Hairy Saki

    Species Name: Pithecia hirsuta
    The hairy saki (Pithecia hirsuta) is a species of saki monkey, a New World primate species. The species was identified by Johann Baptist von Spix in 1823 but later merged with the Mönk saki (P. monachus). Then, a 2014 study revived it as a separate species due to differences in fur coloration.

    Hershkovitz’s Marmoset

    Species Name: Mico intermedius
    The Hershkovitz marmoset (Mico intermedia), also called the Aripuanã marmoset, is endemic to the Amazon rainforest of south-central Brazil. The common name references Philip Hershkovitz, an American zoologist.

    Hoffmann’s Titi

    Species Name: Plecturocebus hoffmannsi
    Hoffmann's Titi (Plecturocebus hoffmannsi) is a New World primate native to Brazil. It was described as Callicebus hoffmannsi in 1908. These primates have small to medium-sized bodies. Hoffmann's titis are known to live in small, pair-bonded, and territorial groups and are considered monogamous by most biologists.

    Hooded Capuchin

    Species Name: Sapajus cay
    The Azaras capuchin or hooded capuchin (Sapajus cay) is a robust capuchin species. It is found in northern Argentina, southeastern Bolivia, eastern Paraguay, and Brazil. Its habitat consists of humid, subtropical, semi-deciduous, gallery forests and forests in the Pantanales.

    Humboldt’s Night Monkey

    Species Name: Aotus trivirgatus
    The three-striped night monkey (Aotus trivirgatus), also known as the northern owl monkey, Humboldt's Night Monkey, or northern night monkey, is one of several currently recognized species of owl monkeys.

    Humboldt’s Squirrel Monkey

    Species Name: Saimiri cassiquiarensis
    Humboldt's squirrel monkey (Saimiri cassiquiarensis) is a species of squirrel monkey found in South America's tropical rainforests, except for the coastal forests of southeastern Brazil.

    Humboldt’s White Capuchin

    Species Name: Cebus albifrons
    Humboldt's white capuchins, also known as white-fronted capuchins, are a species of New-World monkeys and one of the smallest capuchin groups. Humboldt’s squirrel monkeys are usually led by a dominant male and female.

    Humboldt’s Woolly Monkey

    Species Name: Lagothrix lagothricha
    Humboldt's woolly monkey, common woolly monkey, or brown woolly monkey (Lagothrix lagothricha) is a woolly monkey endemic to South America. Humboldt's woolly monkeys can show subtle mood swings and intentions with various facial expressions.

    Illiger’s Saddle-Back Tamarin

    Species Name: Leontocebus illigeri
    (Leontocebus illigeri) is a species of saddleback tamarin, a type of small monkey native to South America. Illiger's saddleback tamarin is native to the Peruvian Amazon, and its type locality is in Loreto, Peru, on the left bank of the lower Ucayali River.

    Isabel’s Saki

    Species Name: Pithecia isabela
    Isabel's Saki (Pithecia isabela) is a New World monkey species, native to a small part of northern Peru. The species was named in honor of Isabel Godin des Odonais, an 18th-century Ecuadorian noblewoman who traveled across South America to find her husband.

    Kaapori Capuchin

    Species Name: Cebus kaapori
    The Kaapori capuchin (Cebus kaapori) also known as Ka'apor Capuchin, is a capuchin monkey native to Brazil. Previously considered a subspecies of the wedge-capped capuchin monkey (Cebus olivaceus), it was elevated to species status recently.

    Lake Baptista Titi

    Species Name: Plecturocebus baptista
    The Lake Baptista titi, Plecturocebus baptista, is a species of titi, a New World monkey native to Brazil. Lake Baptista Titi was initially described as Callicebus baptista in 1939.

    Lesson’s Saddle-Back Tamarin

    Species Name: Leontocebus fuscus
    Lesson's Saddle-Back Tamarin (Leontocebus fuscus) is a small New-world monkey endemic to South America. Its type locality is in Colombia, on the plains of Mocoa, Putumayo, between the Caquetá River and the Putumayo River.

    Lucifer Titi

    Species Name: Cheracebus lucifer
    Lucifer Titi (Cheracebus lucifer) is a species of Titi, a New World monkey endemic to South America. It is found in Peru, Ecuador, Colombia, and Brazil. This yellow-handed Titi was described as Callicebus lucifer in 1914.

    Madidi Titi

    Species Name: Plecturocebus aureipalatii
    The Madidi titi also called the Golden Palace monkey, is a titi, a New World species of monkey discovered in 2004 in Madidi National Park in western Bolivia. The species got its name, Golden Palace, from an online casino after an auction.

    Mantled Howler Monkey

    Species Name: Alouatta palliata
    The Mantled howler monkey (Alouatta palliata) is a species of howler monkey, a New World monkey native to South and Central America. The species gets its name "mantled" from the long, protective hairs on its sides.

    Maranhão Red-Handed Howler

    Species Name: Alouatta ululata
    The Maranhão red-handed howler (Alouatta ululata) is native to forests (e.g., Babaçu forests) in the northeastern Brazilian states of Piauí, Maranhão, and Ceará. Red-handed howler monkeys are among the least studied species of all howler monkeys.

    Marca’s Marmoset

    Species Name: Mico marcai
    The Marca marmoset (Mico marcai) is a native endemic to the Amazon in the Aripuanã-Manicoré interfluvium of Brazil. Marca marmosets that submit to a dominant individual show this by baring their teeth and laying their ears flat.

    Martins’ Tamarin

    Species Name: Saguinus martinsi
    Martin's tamarin (Saguinus martinsi) or Martin's ochraceous bare-faced tamarin, is native to Brazil. These tamarins are distinguished from other New World monkeys by their small size and modified claws instead of nails on all digits except the big toe.

    Maués Marmoset

    Species Name: Mico mauesi
    The Maués marmoset (Mico mauesi) is a marmoset native to Brazil. It is only found on the western bank of the Maués Açu River in the state of Amazonas. Maués marmosets are arboreal and diurnal, spending most of their lives in trees.

    Midas Tamarin

    Species Name: Saguinus midas
    The Midas tamarin (Saguinus midas), also called the red-handed tamarin or golden-handed tamarin is a New-World monkey in the Callitrichidae family. Midas tamarin is also known as golden tamarin or red-handed tamarin. This attests to the remarkably vivid colors of the feet and hands.

    Miller’s Saki

    Species Name: Pithecia milleri
    Miller's Saki (Pithecia milleri), also called Miller's monk saki, is a species of the saki family, a type of New World monkey. Miller's sakis are diurnal and quadrupedal leapers. They usually move on all fours but can be seen swinging bipedally on large branches before leaping to another tree.

    Milton’s Titi

    Species Name: Plecturocebus miltoni
    Milton's titi (Plecturocebus miltoni) also called the fire-tailed titi monkey, is a species of titi, a type of New World monkey from the Amazon rainforest of southern Brazil.

    Mittermeier’s Tapajós Saki

    Species Name: Pithecia mittermeieri
    Mittermeier's Tapajós Saki (Pithecia mittermeieri) is a disputed species of saki monkey, a type of New World monkey. Populations of this species were previously classified as Tapajós River saki (Pithecia irrorata). Still, a 2014 study described these populations as a separate species, Pithecia mittermeieri, based on their distinctive fur.

    Mottle-faced Tamarin

    Species Name: Saguinus inustus
    The Mottle-faced tamarin (Saguinus inustus) is endemic to South America. The Mottle-Faced tamarin monkey gets its name from its mottled face, which means their faces have spots.

    Moustached Tamarin

    Species Name: Saguinus mystax
    Moustached tamarins, also known as black-chested moustached tamarins and Spyx's moustached tamarins, are native to Peru and Brazil. These monkeys are found in all strata of the lowland Amazon rainforest. The moustached tamarin gets its name from the lack of coloration in the facial hair around the mouth, which resembles a mustache.

    Munduruku Marmoset

    Species Name: Mico munduruku
    The Munduruku marmoset (Mico munduruku) is a marmoset native to Brazil. It is only found in the southern Amazon over an area of ​​about 120,000 km square, from the right bank of the Jamanxim River below the mouth of the Novo River to the mouth of the Tapajós River.

    Nancy Ma’s Night Monkey

    Species Name: Aotus nancymaae
    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.

    Napo Saki

    Species Name: Pithecia napensis
    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.

    Neblina Uakari

    Species Name: Cacajao hosomi
    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.

    Northern Muriqui

    Species Name: Brachyteles hypoxanthus
    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.

    Ollala Brothers’ Titi

    Species Name: Plecturocebus olallae
    The Ollala Brothers' titi (Plecturocebus olallae) is a marmoset species of New World monkeys native to Bolivia. Like all Neotropical primates (except Aotus), the Ollala brothers' titi monkeys are highly diurnal.

    Ornate Titi

    Species Name: Plecturocebus ornatus
    The ornate titi (Plecturocebus ornatus) is a species of titi and the smallest member of the Pitheciidae family, including the uakari and saki monkeys. Ornate titis have a monogamous mating system. A couple has a strong bond and stays together for years.

    Panamanian Night Monkey

    Species Name: Aotus zonalis
    The Panamanian night monkey or Chocoan night monkey (Aotus zonalis) is a species of night monkey formerly considered a subspecies of the grey-bellied night monkey in the Aotidae family. Panamanian night monkeys are sympatric with other species. They do not compete for resources with other animals in their range due to their alternate schedules.

    Panamanian White-faced Capuchin

    Species Name: Cebus imitator
    The Panamanian white-faced capuchin (Cebus mimic), also called the Panamanian white-headed capuchin or the Central American white-faced capuchin is a mid-sized New World monkey in the Cebidae family. Native to Central American forests, the Panamanian white-faced capuchin is vital to rainforest ecology for its role in seed and pollen dispersal.

    Parecis Titi

    Species Name: Plecturocebus parecis
    The Parecis titi (Plecturocebus parecis) is a species of titi, a New World monkey native to Brazil. The range of the new species is in the deforestation arc of the Amazon, where large tracts of forest are being destroyed for timber, settlements, and industrial agriculture.

    Peruvian Spider Monkey

    Species Name: Ateles chamek
    Peruvian spider monkeys, like other Ateles species, have a prehensile tail that can be used to facilitate brachiation. Typically, Peruvian spider monkeys have completely black fur and complexions, unlike the lighter red-faced black spider monkey.

    Peruvian White-fronted Capuchin

    Species Name: Cebus yuracus
    The Peruvian white-fronted capuchin or Marañón white-fronted capuchin (Cebus yuracus) is a species of gracile capuchin monkey native to the upper Amazon basin. Peruvian white-fronted capuchin monkeys live in multi-male, multi-female groups of 5 to 18 individuals, with approximately equal numbers of males and females.

    Peruvian Yellow-tailed Woolly Monkey

    Species Name: Lagothrix flavicauda
    The Peruvian yellow-tailed woolly monkey (Lagothrix flavicauda), also called the yellow-tailed woolly monkey, is a New World monkey native to Peru. Peruvian yellow-tailed woolly monkey is among the rarest Neotropical primates and one of the largest mammals endemic to Peru.

    Pissinatti’s Bald-faced Saki

    Species Name: Pithecia pissinattii
    Pissinatti's Sakior or Pissinatti's bald-faced saki (Pithecia pissinattii), is a controversial species of saki monkey, a New World monkey. This species is named after Alcides Pissinatti, a Brazilian veterinarian who pioneered the breeding of endangered Brazilian primates.

    Prince Bernhard’s Titi

    Species Name: Plecturocebus bernhardi
    Prince Bernhard's Titi (Plecturocebus bernhardi) is a species of titi in the subfamily Callicebinae. It is a species of New World monkey native to Brazil. The species is named after Prince Bernhard of the Netherlands, a naturalist who established the Order of the Golden Ark to honor conservationists worldwide.

    Pygmy Marmoset (Finger Monkey)

    Species Name: Cebuella pygmaea
    The pygmy marmoset (smallest monkey), genus Cebuella (also known as Finger Monkey), is a small genus of New-World monkeys endemic to the tropical rainforests of the western Amazon Basin in South America. Pygmy marmosets are also highly territorial, using scent glands to mark territories of up to 100 hectares.

    Red Howler Monkey

    Species Name: Alouatta seniculus
    The Colombian red howler or Venezuelan red howler is a South American species of howler monkey, a New World species of monkey found in the western Amazon basin. Colombian red howler monkeys live in relatively large social groups composed of around 10 individuals, with just one or possibly two of the individuals being male.

    Red-backed Bearded Saki

    Species Name: Chiropotes sagulatus
    The red-backed bearded saki (Chiropotes chiropotes), also known as Guianan Bearded Saki, is a New World monkey native to South America. They live in groups of about 40 members of both sexes, sometimes separated into groups when traveling or foraging, their primary occupation.

    Red-bellied Titi

    Species Name: Plecturocebus moloch
    The Red-bellied titi (Plecturocebus moloch) is a marmoset species of New World monkey native to Brazil. It lives in thickets and forests. Like other titis, red-bellied titi is territorial and emits vocal cries to mark its territory and scare other animals.

    Red-Chested Mustached Tamarin

    Species Name: Saguinus labiatus
    The Red-chested mustached tamarin (Saguinus labiatus), also known as Red-bellied Tamarin, is a tamarin that lives in the Amazon region of Brazil, Peru, and Bolivia. The red belly of these New World monkeys is their most striking external feature.

    Red-handed Howler

    Species Name: Alouatta belzebul
    The red-handed howler monkey (Alouatta belzebul) is an endangered species of howler monkey, a New World species. Red-handed howler monkeys are diurnal, although they spend most of the day (up to 80%) sleeping on tree branches with members of their squad.

    Red-headed Titi

    Species Name: Cheracebus regulus
    The red-headed titi (Cheracebus regulus) (also known as Juruá Collared Titi) is a marmoset species of New World monkey endemic to Brazil. Red-headed titi monkeys are diurnal and arboreal, waking up and sleeping with the sun.

    Red-mantled Saddle-Back Tamarin

    Species Name: Leontocebus lagonotus
    The Red-mantled saddleback tamarin (Leontocebus lagonotus) is a species of saddleback tamarin, a species of small South American monkey. The Red-mantled saddle-back tamarin lives in Peru and Ecuador, and its type locality is in Peru, near the confluence of the Amazon and Napo.

    Rio Acari Marmoset

    Species Name: Mico acariensis
    The Rio Acari marmoset (Mico acariensis) is endemic to Brazil. It was first described in the year 2000. These Brazilian monkeys use their specialized claws to forcefully grip tree trunks and gnaw small holes in the bark with their lower incisors and canines.

    Rio Beni Titi

    Species Name: Plecturocebus modestus
    The Rio Beni tití is a New World monkey species belonging to the genus Callicebus of the family Pitheciidae. It is native to Bolivia and is found mainly in the eastern parts of Bolivia in the upper basins of the Mamoré and Grande rivers.

    Río Cesar White-fronted Capuchin

    Species Name: Cebus cesarae
    The Río Cesar white-fronted capuchin (Cebus cesarae) is a gracile capuchin monkey native to the Cesar River Valley in northern Colombia. Like other monkeys of the genus Cebus, the Río Cesar white-fronted capuchin is named after the order of the Friar Capuchins because the crests of these friars closely resemble the coloring of the monkey's head.

    Rio Mayo Titi

    Species Name: Plecturocebus oenanthe
    The Río Mayo titi (Plecturocebus oenanthe), also known as the San Martín titi, is native to the San Martín region of Peru and is considered Peru's most endangered primate. Río Mayo titis have been described as somewhat temperamental and hesitant and don't tend to be inquisitive.

    Robust Capuchin Monkey

    Species Name: Sapajus robustus
    Robust capuchin monkeys, also called crested capuchin monkeys, are capuchin monkeys of the Sapajus genus. Some crested capuchin species are known to use stone tools in the wild. These are used to crack nuts and other seeds, dried fruits, and even oysters.

    Rondon’s Marmoset

    Species Name: Mico rondoni
    Rondon's Marmoset (Mico rondoni), also called the Rondônia marmoset, is a small species of monkey in the Callitrichidae family found in the southwestern Amazon of Brazil. Rondon's marmoset was only described in 2010, and its name refers to the famous Amazon explorer Cândido Rondon.

    Roosmalens’ Dwarf Marmoset

    Species Name: Mico humilis
    The Roosmalens dwarf marmoset, also called the black-crowned pygmy marmoset or black-crowned dwarf marmoset, is a New-World monkey endemic to the Amazon rainforest.

    Ryland’s Bald-faced Saki

    Species Name: Pithecia rylandsi
    The Ryland's Bald-Faced Saki (Pithecia rylandsi) is a controversial species of saki monkey, a New World monkey species. It is one of the largest sakis. This South American monkey was named after Brazilian primatologist Anthony Rylands, a former professor of vertebrate zoology at the Federal University of Minas Gerais and founding editor of the journal Neotropical Primates.

    Santa Marta White-fronted Capuchin

    Species Name: Cebus malitiosus
    The Santa Marta white-fronted capuchin (Cebus malitiosus) is a species of gracile capuchin monkey native to Colombia. The Santa Marta white-fronted capuchin range is restricted to forests near northern Colombia's northwestern base of the Sierra de Santa Marta.

    Santarem Marmoset

    Species Name: Mico humeralifer
    The Santarem marmoset (Mico humeralifer), also called the black-and-white tassel marmoset, is a marmoset native to the Amazon and Pará states of Brazil. Santarem marmosets make long cries with their rapidly vibrating tongue, designed to sound like a cricket, and shorter chirps.

    Satéré Marmoset

    Species Name: Mico saterei
    The Satéré marmoset (Mico saterei) is native to Brazil and its genus is characterized by claw-like nails rather than the flat nails of other primates, long lower incisors, a specialized caecum, and squirrel-like movements in trees.

    Shock-headed Capuchin

    Species Name: Cebus cuscinus
    The shock-headed capuchin (Cebus cuscinus) is a gracile capuchin monkey native to Peru and Bolivia. This New-world monkey was previously classified as a subspecies of the Humboldt's capuchin (Cebus albifrons), but in 2013 Rylands and Mittermeier raised it to a separate species, following genetic studies done by Boubli et al. in 2012, and Lynch Alfaro et al. in 2010.

    Sierra De Perijá White-fronted Capuchin

    Species Name: Cebus leucocephalus
    The Sierra de Perijá white-fronted capuchin monkey (Cebus leucocephalus) is a species of gracile capuchin monkey native to Venezuela and Colombia. The Sierra de Perijá white-fronted capuchin range is restricted to northwestern Venezuela and northern Colombia forests.

    Silvery Brown Bare-face Tamarin

    Species Name: Saguinus leucopus
    The white-footed tamarin (Saguinus leucopus), the silvery-brown bare-faced tamarin, is native to Colombia. It is silvery brown with pale stripes and reddish underparts. It closely resembles the cotton-tipped tamarin from which it is separated by the Atrato River.

    Silvery Marmoset

    Species Name: Mico argentatus
    The Silvery marmoset (Mico argentatus) is a New-World monkey living in the eastern Amazon rainforest of Brazil. True to its name, the silvery marmoset's body is a striking silver-grey color. Silvery marmosets are primarily arboreal species and can spend their entire lives in trees without descending to the ground.

    Southern Muriqui

    Species Name: Brachyteles arachnoides
    The southern muriqui or woolly spider monkeys (Brachyteles arachnoides) are scattered across southeastern Brazil, from Bahia north to Sao Palo south. The southern muriqui is one of the largest primates in South America, with males weighing around 15 kg and females around 12 kg.

    Spix’s Night Monkey

    Species Name: Aotus vociferans
    The Spix's night monkey (Aotus vociferans), also called the Spix's owl monkey, Colombian gray nocturnal monkey, and noisy night monkey is a species of night monkey native to South America.

    Spix’s Red-handed Howler

    Species Name: Alouatta discolor
    Spix's Red-Handed Howler (Alouatta discolor) is a species of howler monkey endemic to the southeastern Amazon in Brazil. Spix's Red-headed Howler is currently on the International Union for Conservation of Nature's Endangered Species List based on a population decline of more than 30% over the last 3 generations, mainly due to habitat loss.

    Spix’s White-fronted Capuchin

    Species Name: Cebus unicolor
    Spix's White-fronted Capuchin (Cebus unicolor) is a species of a gracile capuchin monkey. The species is widespread in the upper Amazon basin in Peru and Brazil. It is also present in northern Bolivia. According to the genetic studies by Boubli et al., Ryland and Mittermeier elevated it to a distinct species.

    Stephen Nash’s Titi

    Species Name: Plecturocebus stephennashi
    Stephen Nash's Titi (Plecturocebus stephennashi), also known as Stephen Nash's monkey or Nash's Titi, is a species of Titi in the family Pitheciidae. This Brazilian monkey was discovered by Marc van Roosmalen in 2001 when local fishermen brought specimens to his breeding center. It was officially described in 2002.

    Toppin’s Titi

    Species Name: Plecturocebus toppini
    Toppin's Titi (Plecturocebus toppini) is a species of Titi, a species of New World monkey endemic to Bolivia, Peru, and Brazil. It got its name from Captain Toppin, who collected the type specimen of this species near the Tahuamanu River in Peru.

    Ursine Howler

    Species Name: Alouatta arctoidea
    The Ursine howler (Alouatta arctoidea) is a species of howler monkey endemic to Venezuela and possibly Colombia. These howlers are famous for their "morning chorus".

    Urubamba Brown Titi

    Species Name: Plecturocebus urubambensis
    The Urubamba brown titi (Plecturocebus urubambensis) is a species of Titi, a New World monkey native to Peru. This species is found east of the Tambo River and west of the Urubamba, Manú, and Madre de Dios rivers.

    Uta Hick’s Bearded Saki

    Species Name: Chiropotes utahicki
    Uta Hick's Bearded Saki (Chiropotes utahicki) is an endangered species of bearded saki, a New World monkey species. It was named after Uta Hick, a German primatologist who cared for bearded sakis at Cologne Zoo.

    Vanzolini’s Bald-faced Saki

    Species Name: Pithecia vanzolinii
    Vanzolini's Bald-Faced Saki (Pithecia vanzolinii) is a species of saki monkey, a species of New World monkey. Vanzolini's bald-faced saki monkey was first cataloged by naturalist Alfonso Ollala in 1936. His account describes a monkey with a long, fluffy tail and golden fur on its limbs.

    Varied White-fronted Capuchin

    Species Name: Cebus versicolor
    The Varied white-fronted capuchin (Cebus versicolor) is a species of gracile capuchin monkey endemic to Colombia. The Varied white-fronted capuchin lives in the lowland rainforests and palm swamps of the Magdalena River Valley in northern Colombia.

    Variegated Spider Monkey

    Species Name: Ateles hybridus
    The Variegated spider monkey or brown spider monkey (Ateles hybridus) is an endangered species of spider monkey, a species of New World monkey endemic to the forests of northwestern Venezuela and northern Colombia.

    Vieira’s Titi

    Species Name: Plecturocebus vieirai
    The Vieira's titi monkey (Plecturocebus vieirai) is a species of Titi, a New World monkey species native to north-central Brazil. They have bright reddish-brown faces with yellowish cheek hairs.

    Weddell’s Saddle-Back Tamarin

    Species Name: Leontocebus weddelli
    The Weddell's saddle-back tamarin (Leontocebus weddelli) is a species of saddle-back tamarin, a species of small South American monkey. Weddell's saddle-back tamarins are tree dwellers. As such, they are phenomenal climbers with sharp claws that allow them to cling to the sides of trees.

    Weeping Capuchin

    Species Name: Cebus castaneus
    The Weeping capuchin, also known as the chestnut capuchin and chestnut weeper capuchin (Cebus castaneus), is a capuchin monkey endemic to northeastern Brazil, southern Guyana, French Guiana, and Suriname. This primate is also known as Wedge-capped capuchin.

    White Marmoset

    Species Name: Mico leucippe
    The white marmoset (Mico leucippe), also called the golden-white bare-eared marmoset, is an endangered marmoset native to the Amazon rainforest of Pará, Brazil.

    White-bellied Spider Monkey

    Species Name: Ateles belzebuth
    The white-bellied spider monkey (Ateles belzebuth), also called the long-haired or white-fronted spider monkey, is an endangered species of spider monkey, a species of New-World monkey. These arboreal monkeys spend most of their time in the canopy. They rarely go down. When they do, they drink water, eat dirt, traverse a treeless area, or run away from an aggressive opponent.

    White-cheeked Spider Monkey

    Species Name: Ateles marginatus
    The white-cheeked spider monkey (Ateles marginatus), also known as the white-whiskered spider monkey, is a New World monkey native to the Amazon Basin of central Brazil.

    White-eared Titi

    Species Name: Plecturocebus donacophilus
    The white-eared Titi, Plecturocebus donacophilus, also known as the Bolivian gray Titi or Bolivian Titi, is a marmoset species, a New World monkey endemic to eastern Bolivia and a region of western Brazil.

    White-footed Saki

    Species Name: Pithecia albicans
    The white-footed Saki, also called the white Saki or buff saki, is a species of saki monkey, a New World species native to western Brazil. They hang from branches and hold on with their hind legs while eating seeds and fruits.

    White-Headed Marmoset

    Species Name: Callithrix geoffroyi
    The Geoffroy's marmoset, also called Geoffrey's marmoset, white-headed marmoset, or tufted-ear marmoset is a marmoset native to the forests of eastern Brazil, where it is native to Minas Gerais, Espírito Santo, and Bahia. Geoffroy's marmosets are said to follow swarms of army ants to catch insects expelled by the ants.

    White-nosed Saki

    Species Name: Chiropotes albinasus
    The white-nosed saki (Chiropotes albinasus) is bearded, a New World monkey species native to the Amazon rainforest of south-central Brazil. White-nosed sakis are sometimes found in large social groups of 18-30 individuals. Their main reason for traveling is the food search.

    White-tailed Titi

    Species Name: Plecturocebus discolor
    White-tailed titi monkeys, also called red titi monkeys or red-crowned titis and not to be confused with coppery titi (Callicebus cupreus), also commonly known as red titi, are endemic to the dense rainforest and gallery forests of Peru and Ecuador.

    White-Throated Capuchin

    Species Name: Cebus capucinus
    White-throated capuchins, also called the white-headed capuchins, Colombian white-throated capuchins, and white-faced capuchins, are New World monkeys native to the tropical rainforests of western Colombia, Ecuador, and Panama.

    Wied’s Marmoset

    Species Name: Callithrix kuhlii
    The Wied's marmoset (Callithrix kuhlii), also called the Wied's black-tufted-ear marmoset, is a New World monkey that lives in the tropical and subtropical forests of eastern Brazil. Unlike other common marmosets, Wied's marmosets live in groups consisting of 4 or 5 females and 2 or 3 males (plus juveniles).

    Yucatan Black Howler

    Species Name: Alouatta pigra
    The Yucatan black howler, also called the Guatemalan black howler or Central American black howler, is a New-World monkey native to Central America. The Yucatan black howler monkey is the largest species of howler monkey and among the largest monkeys in the New-World.

    Cite This Page

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    BioExplorer.net. (2024, April 12). Types of New-World Monkeys. Bio Explorer. https://www.bioexplorer.net/animals/mammals/monkeys/new-world/.

    BioExplorer.net. "Types of New-World Monkeys" Bio Explorer, 12 April 2024, https://www.bioexplorer.net/animals/mammals/monkeys/new-world/.

    BioExplorer.net. "Types of New-World Monkeys" Bio Explorer, April 12 2024. https://www.bioexplorer.net/animals/mammals/monkeys/new-world/.

    Key References

    • [1]“The New World Monkeys”. Accessed September 03, 2022. http://www-personal.umich.edu/~phyl/anthro/platy.html.
    • [2]“New World Monkeys – Capuchins, The Night Monkey, Titis, Squirrel Monkeys, The Saki Family, Howler Monkeys – Species, Cebid, Tail, and Woolly – JRank Articles”. Accessed September 03, 2022. https://science.jrank.org/pages/4651/New-World-Monkeys.html.
    • [3]“New World Monkeys: Cebids – The Psychological Well-Being of Nonhuman Primates – NCBI Bookshelf”. Accessed September 03, 2022. https://www.ncbi.nlm.nih.gov/books/NBK232186/.
    • [4]“New World Monkeys – Facts, Information & Habitat”. Accessed September 03, 2022. https://animalcorner.org/animals/new-world-monkeys/.
    • [5]“New World monkey – New World Encyclopedia”. Accessed September 03, 2022. https://www.newworldencyclopedia.org/entry/New_World_monkey.
    • [6]““A Trick of the Tail”: Prehensile Tails and Primate Evolution | Field Projects International”. Accessed September 03, 2022. https://fieldprojects.org/a-trick-of-the-tail-prehensile-tails-and-primate-evolution/.
    • [7]“Pygmy Marmoset | San Diego Zoo Animals & Plants”. Accessed September 03, 2022. https://animals.sandiegozoo.org/animals/pygmy-marmoset.
    • [8]“Yucatan Black Howler, Alouatta pigra | New England Primate Conservancy”. Accessed September 03, 2022. https://neprimateconservancy.org/yucatan-black-howler/.
    • [9]“New-World Monkeys”. Accessed September 03, 2022. http://luna.cas.usf.edu/~rtykot/ANT3101/primates/new_monkeys.html.
    • [10]“Monkeys and Prosimians: Social Learning” by D. M. Fragaszy and J. Crast, University of Georgia, Athens, GA, USA, 2010. Accessed September 03, 2022. Link.
    • [11]“Recent evolution of uniform trichromacy in a New World monkey – ScienceDirect”. Accessed September 03, 2022. Link.
    • [12]“Howler monkeys: living a life in colour helps finding better food – TheScienceBreaker”. Accessed September 03, 2022. Link.


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