The document discusses the Sumatran orangutan, which lives in the forests of Sumatra and Borneo. It notes that orangutans are highly intelligent great apes that share 96.4% of our genes. However, orangutans are increasingly threatened by deforestation, as Indonesia had the world's highest deforestation rate in 2006 and orangutans may lose nearly all of their tropical forest habitat within 15 years unless action is taken to protect their environment.