Brachyteles arachnoides, commonly known as the woolly spider monkey, is a species of primate found in the forests of Brazil. They are characterized by their long limbs, prehensile tails, and thick fur, which helps them adapt to their arboreal lifestyle. These monkeys primarily feed on fruits, leaves, and flowers, playing a crucial role in seed dispersal within their habitat. This species is classified as endangered due to habitat loss and hunting. Conservation efforts are underway to protect their remaining populations and preserve their natural habitats. Brachyteles arachnoides is an important part of the ecosystem, contributing to biodiversity in the regions they inhabit.