The Beijing Zoo is well known for its collection of rare animals endemic to China including the giant pandas, which are zoo's most popular animals, the red panda ("Ailurus fulgens"), native to the eastern Himalayas and southwestern China, the golden snub-nosed monkey, South China tiger, white-lipped deer, Pere David's deer, crested ibis, Chinese alligator, and Chinese giant salamander. Other endangered or threatened species housed there include a Siberian tiger, yak, Przewalski's horse, snow leopard, Tibetan gazelle, and kiang. The zoo also has a broad collection of megafauna such as addax, Asian black bears, Asian and African elephants, bats, beluga whales, chimpanzees, clouded leopards, flamingos, gorillas, hippopotamuses, jaguars, kangaroos, lemurs, lions, muntjac, otters, penguins, polar bears, rhinoceroses, sea turtles, tapirs, giraffes and zebras, as well as 13 of the world's 15 species of cranes.