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The pigments are produced by melanocytes which deposit the pigments into the medulla of growing hair so that the hair grows with the color of that distinct pigment. The characteristic pigment of the Callicebus is eumelanin (dark brown or black) found in the iris, skin, and hair (usually on the forehead, crown and tail).
The titis, or titi monkeys, are New World monkeys of the subfamily Callicebinae, which contains three extant genera: Cheracebus, Callicebus, and Plecturocebus. [ 1 ] [ 2 ] This subfamily also contains the extinct genera Miocallicebus , Homunculus , and Carlocebus .
The white-coated titi monkey (Plecturocebus pallescens) is a species of titi monkey, a type of New World monkey, from South America. [ 2 ] [ 1 ] [ 3 ] It is found in Bolivia , Brazil , and Paraguay .
The black-fronted titi monkey (Callicebus nigrifrons) is a species of titi, a type of New World monkey. The black-fronted titi is a small diurnal primate. [ 3 ] The body of this primate is covered in grey to brown fur with black fur concentrated around the face, the tail is slightly orange in color.
Callicebus is a genus of monkeys known as titi monkeys.. Historically, titis were monogeneric, comprising only the genus Callicebus Thomas, 1903.Owing to the great diversity found across titi monkey species, a new genus-level taxonomy was recently proposed that recognises three genera within the subfamily Callicebinae; Cheracebus Byrne et al., 2016 for the species of the torquatus group (Widow ...
The coppery titi monkey (Plecturocebus cupreus) or red titi monkey [3] is a species of titi monkey, a type of New World monkey, from South America. [2] They are found in the Amazon of Brazil and Peru, and perhaps northern Bolivia. [2] It was described as Callithrix cupreus in 1823. [2] These monkeys have a lifespan of a little over 20 years. [4]
Barbara Brown's titi monkey (Callicebus barbarabrownae), also popularly known as the blond titi monkey or northern Bahian blond titi, [2] is a species of titi, a type of New World monkey. This critically endangered species is endemic to the Caatinga in northeastern Brazil , and it is estimated that less than 250 mature individuals remain. [ 2 ]
The white-eared titi monkey (Plecturocebus donacophilus) also known as the Bolivian titi or Bolivian gray titi, is a species of titi monkey, a type of New World monkey, from eastern Bolivia and an area of western Brazil. The species has a range that extends east from the Manique River in Beni Department, Bolivia to southern Rondônia in Brazil.