The United Nations Science, Education and Cultural Organization has recognized Indonesia's Ujung Kulun National Park as the world's natural heritage in 1991.
One-horn rhino (Java rhino) has officially become extinct in Vietnam. This information has been confirmed by the World Wildlife Fund (WWF) and the World Rhino Conservation
One-horned Javan rhinoceros, the recently declared extinct species in Vietnam, is one of the 10 most endangered species in the world.
The World Wildlife Fund (WWF) and the International Rhino Conservation Fund (IRF) affirm: the one-horned Javan rhinoceros (Rhinoceros sondaicus annamiticus) is extinct in Vietnam.