The rainforests of the Democratic Republic of the Congo contain great biodiversity, including many rare and endemic species, including both species of chimpanzee: the Common chimpanzee and the bonobo (also known as the Pygmy Chimpanzee), mountain gorilla, okapi and white rhino. Five of the country’s national parks are listed as World Heritage Sites: the Garumba, Kahuzi-Biega, Salonga and Virunga National Parks, and the Okapi Wildlife Reserve. The civil war and resultant poor economic conditions have endangered much of this biodiversity. Many park wardens were either killed or could not afford to continue their work. All five sites are listed by UNESCO as World Heritage In Danger.