Woolly monkey

Woolly monkey, or woolly spider monkey, either of two species of monkey belonging to the New World monkey family and found in the Amazon rain forest. It is a large, heavy monkey with dark, thick fur and a prehensile tail. It moves through the trees in groups of about 12, subsisting on fruit, seeds, and leaves. Its existence is threatened due to deforestation; the yellow-tailed variety is already considered very rare.