![]() ![]() The height of male spider monkey averages 557 mm (1.83 ft) while females average 552 mm (1.81 ft) (Youlatos 1994). In general, spider monkeys are not characterized by a high degree of sexual dimorphism the average weight for wild black spider monkey males is 10.8 kg (23.8 lb) while females weigh 9.66 kg (21.3 lb) on average (Youlatos 1994 Di Fiore & Campbell 2007). Of all the species of spider monkeys, black spider monkeys are the largest (van Roosmalen & Klein 1988). Spider monkeys are among the largest of the New World monkeys and are long-limbed and somewhat gangly in their appearance especially in contrast to their characteristic pot bellies the spidery appearance of their long arms, legs, and tails is indicated by the common name (Groves 1989 Sussman 2000). SPIDER MOKEY SKINInfants do not have pinkish faces like adults but rather dark skin on their faces which lightens as they age (Rowe 1996). Adults have red or pink-skinned faces which are bare except for a very few short white hairs on their muzzles (Konstant et al. Their long hair immediately distinguishes them from other species of spider monkeys, but there are other defining characteristics (Newland 1994). MORPHOLOGYīlack spider monkeys have long, glossy black hair covering their entire bodies except for their faces. Recent genetic studies have distinguished black spider monkeys from the other species of spider monkeys based on the number of chromosomes and reproductive isolation from geographically nearby species (de Boer & de Bruijn 1990 Collins & Dubach 2000 Groves 2001). Some taxonomists recognize only four species of spider monkeys, including A. All are found in Central or South America, and at one time, they were all classified as subspecies of A. ![]() Including black spider monkeys, there are currently seven species of spider monkeys recognized: A. ![]() Other names: red-faced spider monkey or red-faced black spider monkey kwatta (Dutch) atèle noir (French) macaco aranha, mono arena, or mono araña negro (Spanish) rödansiktad spindelapa (Swedish). ![]()
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