U.K. branch of the Balikpapan Orangutan Survival Foundation works to protect the orangutan in its natural habitat, and to promote its long-term welfare in Indonesia

a blog dedicated to encouraging action, particularly via email, to protect the orangutan and its habitat

a network of scientists and conservationists who stand against the tide of extinction which threatens humanity’s closest kin

an educational and scientific organization that aims to understand nonhuman primates and to facilitate the exchange of information about them

an international coalition of organisations and individuals, working for the conservation and welfare of apes

information about bonobos and efforts to save these amazing apes from extinction

works on protection and reintroduction of orangutans on Borneo

works to stop the slaughter of the great apes, chimps and gorillas

saves orphan apes and educates the people of Cameroon about the value of their living natural heritage

formed to coordinate enforcement of international rules for trade in endangered species products

Wildlife Conservation Society's online tour of the this amazing exhibit at the Bronx Zoo; includes information on gorillas, elephants, okapi, mandrills, and other fauna native to the rainforests of central Africa

dedicated to the conservation and protection of gorillas and their habitat in Africa

promotes the protection, preservation and propagation of gorillas

seeks to include the nonhuman great apes within the community of equals by granting them basic moral and legal protection that only human beings currently enjoy

UNEP and UNESCO project seeking to lift the threat of imminent extinction faced by gorillas, chimpanzees, bonobos and orangutans

works for the well-being of primates through education, creating and preserving national parks and sanctuaries, and for the strict control of primate hunting, trapping, and sale

seeks to increase the conservation of primate habitat, promoting activities that ensure the well-being of chimpanzees, other primates and animal welfare activities in general

seeks to increase scientific knowledge and public understanding of human origins and evolution

supports the conservation and understanding of the orangutan and its rain forest habitat while caring for ex-captive individuals as they make their way back to the forest

aims to protect the orangutan and the conservation of its rainforest habitat while caring for and repatriating ex-captive orangutans back into the wild

an alliance of sixteen primate sanctuaries from all over Africa

dedicated to studying, preserving and maintaining the habitats of the least known and most endangered primates in the world

works toward understanding the biological, behavioral and socioecological aspects of primates, and the origin and evolution of man, based at the Kyoto University in Japan

a look at the international trade of primates, including various monkeys, chimpanzees, and orangutans; that concludes such trade is accelerating the decline of these animals to the point of near extinction

seeks to conserve the endemic Sumatran orangutan (Pongo abelii) and its native habitat in Indonesia