Borneo Orangutan Survival Foundation UK - The UK branch of the Balikpapan Orangutan Survival Foundation aims to promote the preservation of orangutans and their rainforest habitat.
Orangutan Foundation International - Committed to saving orangutans through wildlife research, rainforest preservation, conservation and education.
Orangutan Health Project - Research project based in Sumatra investigating the use of medicinal plants by orangutans. Includes photo gallery and volunteer program.
The Orangutan: Person of the Forest - Research project by Justin Ahrens on this species, including its classification, habitat, reproduction, adaptations, nutrition and interactions with other species.
Orangutan Sanctuary - Provides information and resources for professionals working to save the orangutan in rehabilitation sites and sanctuaries.
Orangutans in Borneo 2000 - Promotes a trip to Borneo in August 2000 with the Orangutan Foundation UK. Contains details on orangutans and their background, geography, and plight.
Pongo pygmaeus - Information about the orangutan from the Animal Diversity Web.
Ralph Arbus's Gallery of Orangutan Photos - A large collection of photographs of orangutans of the Tanjung Puting National Park and Orangutan Care Center and Quarantine in Borneo.
The World of the Orangutan - Conservation information about the orangutan in Indonesia. In English, German, and Dutch.
