How do some primates use their prehinsle tails?

Some primates, such as spider monkeys and howler monkeys, use their prehensile tails as an additional limb for grasping and manipulating objects. These tails are highly flexible and can wrap around branches, providing support and balance while they navigate through the treetops. This adaptation allows them to reach for food, maintain stability, and move efficiently in their arboreal habitats. The prehensile tail enhances their overall mobility and ability to exploit their environment.