Monkeys are arboreal mammals that are known for their ability to climb trees easily. They have hair all over their bodies and long arms and legs to help them swing from trees. Some monkeys' tails can wrap around branches like an extra limb. There are two main groups of monkeys - New World monkeys live in South America while Old World monkeys live in Africa and Asia. Monkeys live in various habitats like forests, savannahs, and mountains, but are most commonly found in rainforests. Monkey groups consist of mixtures of males and females, and they share duties of caring for young and guarding territories, though males can be noisy among themselves. Monkeys come in various sizes and eat a variety of foods including fruits