Under the Endangered Species Act (ESA), all five species of rhinoceros are listed as endangered, which means they in danger of extinction within the foreseeable future throughout all or a significant portion of their range.
The black, Sumatran, and Javan rhinoceroses are all listed as <strong>critically endangered</strong>, meaning the calculated probability of its extinction during the next 10 years is greater than 50%. The greater one horned rhino is listed as <strong>vulnerable</strong>, meaning its probability of extinction during the next 20 years is at least 10%, and the white rhino is listed as <strong>near threatened</strong>, meaning it is close to qualifying for or is likely to qualify for a threatened category in the near future.