A list of endangered species is available at WorldWildlife.org. This list makes note of both critically endangered and endangered species. As of 2015, critically endangered species include the Amur leopard, black rhino, Cross River gorilla, hawksbill turtle and the Java rhino.
Some species that are endangered are the African wild dog, Asian elephant, Bengal tiger, blue whale and the bluefin tuna.
The World Wildlife Fund is a leading conservation organization that works to educate the public in 100 countries and is supported by 11 million members in the United States. Its mission is to reduce dire threats to animal species and to conserve nature. The World Wildlife Fund works toward protecting and restoring species and their habitats.