Gabon Talapoin
Species Name: Miopithecus ogouensis
The Gabon talapoin, also called the northern talapoin, is a small species of African primate endemic to riverine habitats in Gabon, Equatorial Guinea, Cameroon, the far western Democratic Republic of the Congo, and the western Republic of the Congo.
Gee’s Golden Langur
Species Name: Trachypithecus geei
Gee's golden langur, also known simply as the golden langur, is an Old-World primate found in a small area of western Assam, India, and in the nearby foothills of the Black Mountains of Bhutan. Gee's golden langur was officially discovered in 1953 by Edward Pritchard Gee, an amateur naturalist and tea planter in Assam, India.
Gelada
Species Name: Theropithecus gelada
The gelada often called the gelada baboon, or the bleeding-heart monkey, is an Old-World monkey found only in the Ethiopian highlands. Geladas aren't territorial, and it is not unusual to find congregations of separate groups foraging together when conditions are favorable.
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.
Germain’s Langur
Species Name: Trachypithecus germaini
Germain's Langur is a lutung species endemic to Thailand, Vietnam, Laos, Cambodia, and Burma. Germain's langur is a terrestrial tree-dwelling species occasionally found in lowlands.
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.
Golden Angwantibo
Species Name: Arctocebus aureus
The golden angwantibo is a strepsirrhine primate of the Lorisidae family. Bärenmaki, meaning "lemur bear," is the German name for the golden angwantibo due to its bear-like appearance. However, we see no resemblance.
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 Snub-Nosed Monkey
Species Name: Rhinopithecus roxellana
The golden snub-nosed monkey (Rhinopithecus roxellana) is an Old World monkey of the subfamily Colobinae. Golden snub-nosed monkeys are highly social animals that exhibit group behaviors known as fission and fusion.
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-Bellied Mangabey
Species Name: Cercocebus chrysogaster
The golden-bellied mangabey (Cercocebus chrysogaster) is a gregarious Old-World monkey found in humid, swampy forests south of the Congo River. Golden-bellied mangabeys are a migratory and social species, moving in groups of 8 to 30 members.
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
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.
Gorontalo Macaque
Species Name: Macaca nigrescens
The Gorontalo macaque (Macaca nigrescens), also called the Dumoga-bone macaque, is a species of the primate of the Cercopithecidae family. It is native to the Sulawesi Island of Indonesia.
Gray Snub-Nosed Monkey
Species Name: Rhinopithecus brelichi
The gray snub-nosed monkey (Rhinopithecus brelichi), also called Guizhou golden monkey, Brelich's snub-nosed monkey, and Guizhou snub-nosed monkey is a species of primate in the Cercopithecidae family. The confirmed range of the gray snub-nosed monkey is endemic to China (Fanjingshan National Nature Reserve in Wuling Mountains of Guizhou Province).
Gray-Cheeked Mangabey
Species Name: Lophocebus albigena
The gray-cheeked mangabey (Lophocebus albigena), also called the white-cheeked mangabey, is an Old World monkey found in the forests of central Africa. Gray-cheeked mangabeys belong to the same family (Cercopithecinae) and phylum (Papionini) as mandrills, macaques, and baboons.
Gray-Shanked Douc Langur
Species Name: Pygathrix cinerea
The gray-shanked douc langur (Pygathrix cinerea) is a species of douc endemic to the Vietnamese provinces of Gia Lai, Quảng Ngãi, Kon Tum, Bình Định, and Quảng Nam. Genetically, Gray-shanked douc langurs are similar to Red-shanked douc langurs (Pygathrix nemaeus).
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.
Greater Spot-Nosed Monkey
Species Name: Cercopithecus nictitans
The greater spot-nosed monkey (Cercopithecus nictitans), also called the greater white-nosed monkey, putty-nosed monkey, and white-nosed guenons, is among the smallest Old-World monkeys. Great spot-nosed monkeys have a polygamous mating system in which a resident adult male coexists with multiple adult females and their young.
Green Monkey
Species Name: Chlorocebus sabaeus
The green monkey (Chlorocebus sabaeus), also called the sabaeus monkey, is an Old World monkey with golden-green fur, pale feet, and hands. Green monkeys' locomotion varies little, regardless of substrate or habitat. In nearly all circumstances, they move quadrupedally in the treetops or on the ground.
Grivet Monkey
Species Name: Chlorocebus aethiops
The Grivet monkey (Chlorocebus aethiops) is an Old World monkey with long tufts of white fur on the sides of its face. Grivet monkeys are very social animals. They travel in small groups and are among the few species to have groups with multiple males.
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.
Guinea Baboon
Species Name: Papio papio
The Guinea baboon (Papio papio) is a baboon of the Old World monkey family. When walking, these baboons support their weight on the bottom of their toes in front and on the entire sole of their feet.
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.
Suggested Reading: All Monkeys of Primates