Spider monkey Spider monkey Spider monkeys are New World monkeys belonging to the genus Ateles, part of the subfamily Atelinae, family Atelidae. Like other atelines, they are found in tropical forests of Central and South America, from southern Mexico to Brazil. The genus contains seven species, all of which are under threat; the black-headed spider monkey and brown spider monkey are critically endangered. Disproportionately long limbs and long prehensile tails make them one of the largest New World monkeys and give rise to their common name. Spider monkeys live in the upper layers of the rainforest, and forage in the high canopy,
Geoffroy's spider monkey considered by some primatologists to be a subspecies of Geoffroy's spider monkey. Geoffroy's spider monkey lives in various types of forest, including rains, semideciduous and mangrove forests. Higher densities of Geoffroy's spider monkeys are generally found in areas containing evergreen forest. Geoffroy's spider monkey is one of the largest New World monkeys. Its length measures between and it weighs between . The tail is longer than the body at between . Males and females are approximately the same size. Its body color varies by subspecies and population, and can be buff, reddish, rust, brown or black. The hands and feet