The Pitheciidae are one of the five families of New World monkeys now recognised. Formerly, they were included in the family Atelidae. The family includes the titis, saki monkeys and uakaris. Most species are native to the Amazon region of Brazil, with some being found from Colombia in the north to Bolivia in the south.
The titis, or titi monkeys, are New World monkeys of the subfamily Callicebinae, which contains three extant genera: Cheracebus, Callicebus, and Plecturocebus. This subfamily also contains the extinct genera Miocallicebus, Homunculus, and Carlocebus.
Stephen Nash's titi monkey, also known as just Nash's titi or Stephen Nash's monkey, is a species of titi monkey, a type of New World monkey, endemic to the eastern bank of the Purus River in Brazil. It was discovered by Marc van Roosmalen in 2001 when local fishermen brought specimens to his breeding center. It was described in 2002. It was named in honor of Stephen D. Nash, an illustrator for Conservation International, the organization that funded van Roosmalen's work. The monkey is largely silver with a black forehead and red sideburns and chest, as well as on the underside of the species' limbs. It is 28 inches long, although 17 inches is taken up by the titi's tail.
The white-coated titi monkey is a species of titi monkey, a type of New World monkey, from South America. It is found in Bolivia, Brazil, and Paraguay.
Hoffmanns's titi monkey is a species of titi monkey, a type of New World monkey, endemic to Brazil. It was described as Callicebus hoffmannsi in 1908.
Hershkovitz's titi monkey is a species of titi monkey, a type of New World monkey, from South America. It is found in Bolivia, Brazil, and Peru. The common name is in reference to American zoologist Philip Hershkovitz, who described the species as Callicebus dubius in 1988.
The ashy black titi monkey is a species of titi monkey, a type of New World monkey, endemic to Brazil. It was originally described as Callithrix cinerascens in 1823.
The chestnut-bellied titi monkey is a species of titi monkey, a type of New World monkey, endemic to Brazil. It was originally described as Callicebus caligatus in 1842.
The brown titi monkey is a species of titi monkey, a type of New World monkey, from South America. It is endemic to Brazil. It was originally described as Callicebus brunneus in 1842 and transferred to the newly erected genus Plecturocebus in 2016.
Prince Bernhard's titi monkey, also called the zog-zog monkey, is a species of titi monkey in the genus Plecturocebus, first described in 2002. It is named after Prince Bernhard of the Netherlands. They have varying coloration of gray, black, and agouti, with dark orange in certain regions. They are endemic to Brazil, found mostly in disturbed forest environments. While officially listed as least-concern by the International Union for the Conservation of Nature (IUCN), they may, in fact, be at-risk due to human-caused deforestation.
Rio Beni titi monkey is a species of titi monkey, a type of New World monkey, endemic to Bolivia.
The white-tailed titi monkey is a species of titi monkey, a type of New World monkey, from South America. It is found in Colombia, Ecuador and Peru. It was described in 1848 as Callithrix discolor.
The ornate titi monkey is a species of titi monkey and is the smallest member of the family Pitheciidae, which also includes uakaris and saki monkeys. As it is a member of this family, it is classified as a type of New World monkey. It is endemic to eastern Colombia, and the only member of the Plecturocebus moloch group to occur north of the Rios Amazonas/Solimes/Napo axis, living at least 350 km away from the closest other member, the white-tailed titi, which lives in the south of Colombia. It was once classified as the same species as the white-tailed titi, but is now officially recognized as its own species. The ornate titi is also terrestrial.
The Olalla brothers's titi monkey is a species of titi monkey, a type of New World monkey, endemic to Bolivia. There are between 110 and 150 individuals in the wild.
Vieira's titi monkey is a species of titi, a type of New World monkey, from central-northern Brazil.
Plecturocebus is one of three genera of titi monkeys.
The Alta Floresta titi monkey, also known as the Groves' titi monkey, is a species of titi monkey, a type of New World monkey, endemic to Brazil. It was described from the municipality of Alta Floresta in the state of Mato Grosso.
Toppin's titi monkey is a species of titi monkey, a type of New World monkey, from Brazil, Peru, and Bolivia.
The Urubamba brown titi monkey is a species of titi monkey, a type of New World monkey, endemic to Peru.
The Parecis titi monkey is a species of titi monkey, a type of New World monkey, endemic to Brazil.
