It also scavenges on the carcasses of Tibetan antelopes, musk deer, blue sheep and livestock. The feet of musk deer are adapted for climbing in rough terrain. The demand for deer musk has led to a severe decrease in musk deer populations. The park protects endangered animals like the snow leopard, musk deer and the Tibetan wolf. Common ungulates include red deer, roe deer, wild boar, Manchurian moose, and musk deer. China has a great variety of true deer and its close kin the musk deer. Musk deer belong to the family "Moschidae". Wildlife resident here includes the snow leopard, the Himalayan brown bear and the musk deer. The most striking characteristics of the Siberian musk deer are its tusks and kangaroo-like face. The Himalayan musk deer is also found at high altitude. The Siberian musk deer in the northeast is considered vulnerable. In the Altai and Sayan Mountains, they prey on musk deer and reindeer. Animals being poached in the country are bear, musk deer, tiger etc. The tahr is common, the serow, goral, musk deer and bharal, blue sheep are rare. The Siberian musk deer is classified as Vulnerable by the IUCN.