The single greatest threat facing orangutans is habitat loss, largely driven by logging and the conversion of forests into oil palm plantations. Ninety percent of the world's palm oil is produced on the only two islands where orangutans live. When Bornean and Sumatran orangutans lose habitat, they also become easy targets for hunters, who often capture young orangutans for the illegal pet trade. Today, more than half of all orangutans live outside of protected areas, in forests managed by timber, palm oil and mining companies.
Why they're in trouble: