Rhinoceros

There are five species of rhinoceros. The first two rhinoceros species are African rhinoceros and the other three rhinoceros species are Asian rhinoceros. The African rhino species are the white rhinos and black rhinos. Both rhino species have two horns. However, Asian rhinoceros species include the Indian rhinoceroses and the Javan rhinoceroses, each with one horn, and the Sumatran rhinoceroses, which has two horns. Rhinoceroses are endangered species. Some rhinos are already extinct.

Rhinoceros at the San Diego Zoo.

Board display of different rhinoceros species at the San Diego Zoo.