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Black-headed spider Monkey قرد عنكبوتي
It is also called Black Spider Monkey.
Class: Mammalia
Order: Primates
Family: Atelidae
Species: Ateles fusciceps

It is found in Colombia, Ecuador and Panama.

As they require large tracts of undisturbed forest and specialize on ripe fruits.


Their deftly prehensile tails, which may be up to 90 cm long, have very flexible, hairless tips and skin grooves similar to fingerprints. This adaptation to the black-headed spider monkey's strictly arboreal lifestyle serves as a fifth hand. Adults reach an average body length of 50 cm and a weight of 8.5 - 9 kg. The arms are very thin and very long, while the legs are shorter. When the monkey walks, its arms practically drag on the ground.

They live up to 35 years.

The diet of black-headed spider monkeys consists of about 90% fruits and nuts. They eat the fruits of many big forest trees, and because they swallow fruits whole, the seeds are eventually excreted and fertilized by the feces. If food is low they may eat insects, bark or rotting forest, and honey.

Brown-headed spider monkeys are active during the day, sleep at night, and spend most of their time in the trees. 

They associate in loose groups of about 20 individuals, but it is rare to find them gathered in one place. Individuals drift between subgroups of varying sizes. They move through the forest using both their hands and feet to swing between trees, and walk in an upright position along branches. Can leap in excess of 9 meters (30 ft.) from branch to branch.

Black-headed spider monkeys mate year-round. The female chooses a male from her group.
Gestation period ranges from 226 to 232 days. Each female bears only one offspring on average, every 3-4 years. Females feed and carry their babies until weaned at 20 months.
Age at sexual or reproductive maturity (female) 51 months (average) (male) 61months (average).

Conservation status:
IUCN Red List: Critically Endangered.


International Organization
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