Spider monkey facts for kids
Quick facts for kids Spider monkey |
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| A black-headed spider monkey (Ateles fusciceps) using its prehensile tail. | |
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Atelidae
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Ateles E. Geoffroy, 1806
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Spider monkeys are New World monkeys, genus Ateles. They are small monkeys, well suited to living in trees. In fact, they rarely come down to the ground. These monkeys move quickly through trees by swinging and jumping from branch to branch.
Spider monkeys are found in rainforests in southern Mexico to the northern part of South America. Spider monkeys live in groups or bands of 10 to 40 monkeys. Every band lives in its own territory and one band of monkeys will not enter the territory of another band. Spider monkeys have one offspring per year. They live about between 20 to 27 years, or more.
Diet
Spider monkeys eat fruit, nuts, leaves, and small eggs. Usually the leader female of the whole group is responsible for finding and gathering all the food for the rest of the group. When there is not enough food, they sometimes eat bark, or honey, or insects.
Physical description
Spider monkeys are extremely quick, and they have long, thin fingers with almost no hair at all. Unlike other monkeys, they use their tail much more than their fingers, and their tails are longer than their bodies. These tails can grasp and pick things up.
They have long, spindly limbs, which explains the spider monkey's common name. Their tails are fully prehensile, meaning they can pick things up with it, and they can swing from it. The tail, which may be up to 89 cm (35 in) long, is very flexible, with hairless tips and skin grooves similar to fingerprints. This adaptation to their strictly arboreal lifestyle serves as a fifth hand. They are clumsy on the ground.
Reproduction
The gestation period ranges from 226 to 232 days. Each female bears only one offspring on average, every three to four years.
Until six to ten months of age, infants rely completely on their mothers. Males are not involved in raising the offspring.
A mother carries her infant around her belly for the first month after birth. After this, she carries it on her lower back. The infant wraps its tail around its mother's and tightly grabs her midsection. Mothers are very protective of their young and are generally attentive mothers. They have been seen grabbing their young and putting them on their backs for protection and to help them navigate from tree to tree. They help the more independent young to cross by pulling branches closer together. Mothers also groom their young.
Male spider monkeys are one of the few primates who do not have a baculum.
Images for kids
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Geoffroy's spider monkey
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Spider monkey skeleton on display at The Museum of Osteology, Oklahoma City, Oklahoma
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As is the case with all species of spider monkeys, the brown spider monkey is threatened by hunting and habitat loss.
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Spider monkey standing at the edge of a boat
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Geoffroy's spider monkey (Ateles geoffroyi) browsing, showing the exceptionally long limbs that give them their name.
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See also
In Spanish: Ateles para niños
