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These monkeys have the most striking red facial skin of any primate. Females choose their mates based on how red the male's face is. Evidence suggests that the red facial coloration reflects the health of the primate. [5] The four species of uakari currently recognized are all found in the north-western Amazon basin.
The brown titi monkey (Plecturocebus brunneus) is a species of titi monkey, a type of New World monkey, from South America. It is endemic to Brazil . [ 3 ] It was originally described as Callicebus brunneus in 1842 and transferred to the newly erected genus Plecturocebus in 2016.
The brown spider monkey has a whitish belly and patch on the forehead, and – highly unusual among spider monkeys – its eyes can be pale blue. The brown spider monkey is one of the most threatened primates in the Neotropics and has been listed six times on The World's 25 Most Endangered Primates .
Capuchin monkeys are usually dark brown with a cream/off-white coloring around their necks. They reach a length of 30 to 56 cm (12 to 22 in), with tails that are just as long as the body. On average, they weigh from 1.4 to 4 kg (3 to 9 pounds) and live up to 25 years old in their natural habitats, [ citation needed ] and up to 35 in captivity.
Plecturocebus is one of three genera of titi monkeys.. Historically, these monkeys were monogeneric, being placed in a single genus: Callicebus Thomas, 1903.Owing to the great diversity found across titi monkey species, a new genus-level taxonomy was proposed in 2016 that recognises three genera within the subfamily Callicebinae; Plecturocebus Byrne et al., 2016 for the Amazonian and Chaco ...
3d model of skeleton juvenile M. s. sinica. The toque macaque (/ t ɒ k m ə ˈ k æ k /; Macaca sinica) is a reddish-brown-coloured Old World monkey endemic to Sri Lanka, where it is known as the rilewa or rilawa (Sinhala: රිළවා), (hence the English word "rillow").
It has a white chin and whiskers. A black band of fur extends from above the eyes to the temples. The monkey's eyes are surround by large, pink eyerings. The tail of P. bouvieri is long in proportion to its small body and is dark brown at the root, fading to brownish-red at the tip. The fur on the species' underside is lighter than the fur on ...
The dorsal fur of Chlorocebus monkeys varies by species from pale yellow through grey-green brown to dark brown, while the lower portion and the hair ring around the face is a whitish yellow. [2] The face, hands, and feet are hairless and black, although their abdominal skin is bluish. [2] Males have a blue scrotum and red penis. [2]