The term 'Largest Arboreal Animals' refers to the largest animals that live in trees. The most well-known example of this is the Orangutan, which is a species of great ape native to Indonesia and Malaysia. Orangutans have an average body length of 1.2 to 1.5 meters and weigh between 30 and 90 kilograms. They are the largest arboreal animals in the world and are known for their intelligence and long arms.