Eastern Lowland Gorilla
Western Lowland Gorilla
The members of the family Pongidae are referred to as the "great apes". This family contains 4 species. The orangutan is native to Sumatra and Borneo (islands between Australia and Asia). It is believed that a small form of orangutan used to live on the island of Java, but became extinct long ago. The other three species are found in African forests. They range from primarily tree dwellers to ground dwellers. They are omnivorous but mostly vegetarian. They live in groups with varying degrees of structure, from a dominating older male to a loose collection of individuals.