Characteristics
The Peruvian spider monkey weighs up to 20 pounds (9 kg.). Its body can be 24 inches (0.7 m) long and the tail can be 36 inches (1 m)long. It has four elongated fingers and virtually no thumb, which is typical for spider monkeys but unusual for other monkeys. It can move easily through the trees and it uses its tail like an extra limb in a type of locomotion known as brachiation. It has an agility that can only be compared to the gibbon of Asia. It has a life span of up to 20 years.
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