The largest species of monkey is the Japanese macaque, scientifically known as Macaca fuscata. Also known as snow monkeys, they are found in Japan and are notable for their thick fur, which helps them survive in cold climates. These monkeys have a complex social structure and are known for their intelligence and adaptability. They often exhibit behaviors such as bathing in hot springs during winter to stay warm. Their habitat primarily consists of mountainous areas, and they are also known for foraging for food in various environments, which assists them in surviving diverse conditions.