

Orangutans have been dying from both direct and indirect causes. Learn more about the specific issues that continue to threaten their survival. Read more

Learn more about how conservationists are working to save this iconic species, and what you can do to help. Read more



Want to know more about orangutans? Learn about this intelligent ape's life history, ability to use sign language, and more. Read more

In addition to orangutans, Sumatra is home to many other keystone species. Most Sumatran orangutans live in the Leuser Ecosystem, which contains some of the last intact tropical lowland rainforest on ... Read more

Check out our virtual tour to see some of the work OURF supports around the Gunung Leuser National Park region. Read more
Archived materials can be found in this section Read more