The Orangutan of the family of hominids is, from its weight of 170 pounds and 5 feet tall, a great monkey that lives only in insular Southeast Asia. This species close to humans is one of the most arboreal. Indeed, she spends most of her time in the trees in search of food: fruits, young shoots, bark, small vertebrates, eggs of birds and insects ... The females can seem sociable because of giving great attention to young, males are however very lonely.