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Geoffroy's spider monkey Spider monkey skeleton on display at The Museum of Osteology, Oklahoma City, Oklahoma. Spider monkeys are among the largest New World monkeys; black-headed spider monkeys, the largest spider monkey, have an average weight of 11 kilograms (24 lb) for males and 9.66 kg (21.3 lb) for females.
Geoffroy's spider monkey belongs to the New World monkey family Atelidae, which contains the spider monkeys, woolly monkeys, muriquis and howler monkeys.It is a member of the subfamily Atelinae, which includes the spider monkeys, woolly monkeys and muriquis, and of the genus Ateles, which contains all the spider monkeys.
Muriquis are the largest extant New World monkeys. They can reach 4.3 feet or 1.3 metres long and weight up to 7 to 10 kilograms (15 to 22 lb). [ 4 ] The northern muriqui is a critically endangered species, it is estimated that there are less than 1000 mature individuals in the wild. [ 2 ]
Monkeys in the family Atelidae, such as the spider monkey, are the only primates to have prehensile tails. New World monkeys' closest relatives are the other simians, the Catarrhini ("down-nosed"), comprising Old World monkeys and apes. New World monkeys descend from African simians that colonized South America, a line that split off about 40 ...
Some New World monkeys, such as spider monkeys and muriquis, were initially classified as semibrachiators and move through the trees with a combination of leaping and brachiation. Some New World species also practice suspensory behaviors by using their prehensile tail , which acts as a fifth grasping hand. [ 2 ]
The black-headed spider monkey (Ateles fusciceps) is a type of New World monkey from Central and South America, specifically Colombia, Ecuador, and Panama. [2] Although primatologists such as Colin Groves (1989) follow Kellogg and Goldman (1944) in treating A. fusciceps as a separate species, other authors, including Froelich (1991), Collins and Dubach (2001) and Nieves (2005) treat it as a ...
"Many of the spider monkeys we see are malnourished due to a lack of understanding of dietary and medical needs." In the wild, spider monkeys are taken care of by their mother for their first two ...
The Peruvian spider monkey (Ateles chamek), also known as the black-faced black spider monkey, is a species of spider monkey that lives in Peru, as well as in Brazil and in Bolivia. At 60 centimetres (2 feet) long, they are relatively large among species of monkey, and their strong, prehensile tails can be up to 1 m (3 ft) long.