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New World monkeys (except for the howler monkeys of genus Alouatta) [21] also typically lack the trichromatic vision of Old World monkeys. [22] Colour vision in New World primates relies on a single gene on the X-chromosome to produce pigments that absorb medium and long wavelength light, which contrasts with short wavelength light.
Night monkeys, also known as owl monkeys or douroucoulis [2] (/ d uː r uː ˈ k uː l i z /), are nocturnal New World monkeys of the genus Aotus, the only member of the family Aotidae (/ eɪ ˈ ɒ t ɪ d iː /). The genus comprises eleven species which are found across Panama and much of South America in primary and secondary forests, tropical ...
In addition, two species of white-faced capuchin monkey have been generally recognized since the 2010s although some primatologists consider these to be a single species. [3] Taxonomically, all Central American monkey species are classified as New World monkeys, and they belong to four families.
Brown spider monkey (Ateles hybridus) Platyrrhini is a parvorder of primates. Members of this parvorder are called platyrrhines, or New World monkeys, and include marmosets, tamarins, and capuchin, squirrel, night, titi, saki, howler, spider, and woolly monkeys. Platyrrhini is one of three clades that form the suborder Haplorrhini, itself one of two suborders in the order Primates. They are ...
All South American monkeys are believed to be descended from ancestors that rafted over from Africa about 25 million years ago in a single dispersal event. Suborder: Haplorrhini. Infraorder: Simiiformes. Parvorder: Platyrrhini (New World monkeys) Family: Aotidae (night monkeys) Genus: Aotus. Azara's night monkey, Aotus azarae LC
Squirrel monkey in Yacuma Park, Bolivia. Squirrel monkeys are New World monkeys of the genus Saimiri. Saimiri is the only genus in the subfamily Saimiriinae.The name of the genus is of Tupi origin (sai-mirím or çai-mbirín, with sai meaning 'monkey' and mirím meaning 'small') [3] and was also used as an English name by early researchers.
Uakari (UK: / w ə ˈ k ɑːr i /, [2] US: / w ɑː-/) [3] is the common name for the New World monkeys from the genus Cacajao. Both the English and scientific names are believed to have originated from indigenous languages. [4]
The golden-bellied capuchin (Sapajus xanthosternos), also known as the yellow-breasted or buff-headed capuchin, is a species of New World or neotropical monkey. It lives mainly in trees and are omnivorous, eating a wide variety of both plant and animals as food.