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Skull of male mandrill, showing the long canines and ridged bone swellings The mandrill has a stocky body with a large head and muzzle, as well as a short and stumpy tail. [ 19 ] The limbs are evenly sized and the fingers and toes are more elongated than those in baboons, [ 20 ] with a more opposable big toe on the feet. [ 21 ]
The Central American squirrel monkey and Panamanian night monkey are almost as small, with average sizes of less than 1.0 kilogram (2.2 lb). [13] [14] The Yucatán black howler has the largest males, which average over 11 kilograms (24 lb). [15] The spider monkey species have the next largest males, which average over 8 kilograms (18 lb). [15] [16]
Primates exhibit the highest levels of sexual dimorphism amongst mammals, [2] therefore the maximum body dimensions included in this list generally refer to male specimens. Mandrills and baboons are monkeys; the rest of the species on this list are apes.
The order Primates consists of 505 extant species belonging to 81 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 81 genera can be grouped into 16 families; these families are divided between two named suborders and are grouped in those suborders into named clades, and some of these families are subdivided into named ...
Panamanian night monkey; W. White-faced capuchin This page was last edited on 3 March 2019, at 21:24 (UTC). Text ... Category: Primates of North America.
Langurs are leaf eaters, which is why they are sometimes called leaf monkeys. They live in family groups of multiple males and females, led by a dominant male. Popa langurs are small monkeys that ...
Male howler monkeys are among the loudest land mammals as their roars can be heard up to 4.8 km (3.0 mi), and relate to intergroup spacing, territorial protection and possibly mate-guarding. [153] [154] Male and female siamangs both possess inflatable pouches in the throat with which pair -bonds use to sing "duets" to each other. [155]
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 ...