Spider monkeys have long, thin arms with hooklike hands that allow them to swing through the trees. The tail is sometimes longer than the body. Animal’s Behavior Geoffroy’s spider monkeys (Ateles geoffroyi), also called black-handed spider monkeys, live in groups in the upper levels of the rainforest.Eating Habits Ripe fruit makes up the largest part of their diet, although they will eat plants and even small insects. Black spider monkeys are polygynandrous, as males and females have multiple breeding partners during each breeding period. Interesting Facts About the Spider Monkey. They do not have opposable thumbs. Located. Black spider monkeys and black handed spider monkeys are listed by ICUN as vulnerable. Their long tails reach around 31.5 in (80 cm) in both sexes. Black Spider Monkey lives in the leafages of the Amazon Jungle and is known for being one of the most agile monkeys. Population number. When the animal is on the lookout, it stands or walks on two feet, using the tail to hold on to a support. Spider Monkeys are located in … Another of the larger New World monkeys, spider monkeys are named for their long limbs and lengthy prehensile tails, which give them a spider-like appearance when all their appendages are in motion. The black-handed spider monkey has a light to medium brown body and darker limbs with the hands and feet usually black in color. Spider Monkeys. (Mittermeier, et al., 2009) Mating System; polygynandrous (promiscuous) Relative to other primates, black spider monkeys reproduce very slowly, mating once every 3 to 4 … The largest species, the black-headed spider monkey, can grow up to 24 pounds. Learn more about what makes them special, and why we should protect them, below. Sometimes, the Black-Handed Spider Monkey will be called Geoffrey's Spider Monkey. Black Spider Monkey. Like all monkeys, spider monkeys are quite intelligent and mischievous. We met Jabari, a black-handed spider monkey, and Belize, a black spider monkey. This is because it was originally named after Étienne Geoffroy Saint-Hilaire, a well known French biologist that lived in the 1800's. They also have thick fur all over the body except for on their faces. These are very fast and agile Monkeys. Their heads and bodies measure around 17.7–23.6 in (45–60 cm) long for males and 15.7–20.5 in (40–52 cm) long for females. In the wild, the Spider monkey rarely comes down to the jungle floor. The brown-headed spider monkey has a prehensile tail, which means it can grasp and can be used like a fifth limb to grab trees. Black-faced black spider monkeys are relatively large-bodied monkeys who show some sexual dimorphism in size. The IUCN Red List and other sources don’t provide the number of the Spider monkey … Spider monkeys are incredibly agile, using their tails like an extra arm or hand. 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