Of the total number of species found globally, 3.96 percent mammals, 3.72 percent butterflies and 8.9 percent of birds. Wildlife of Nepal is officially classified into two main categories: common and protected. The common category lists such species as common leopard, spotted deer, Himalayan tahr, blue sheep and others. These species are commonly seen in the wild. The protected species include 26 mammals, nine birds and three reptiles. These rare animals are confined to their prime habitats.
Nepal has 185 species of mammals found in various parts of the country. Found in Nepal’s dense Terai jungles are exotic animals like the Asiatic elephant, the one-horned rhinoceros, the Royal Bengal tiger among others. Also found here are the leopard, monkey, langur, hyena, jackal, wild boar, antelope, wild cat, wolf, sloth bear, chital or spotted deer and barking deer. Wild buffalo locally called “Arna” is found in the Koshi Tappu region. The western Terai jungles of Suklaphanta is home of the of swamp deer, while the endangered blackbucks are found in the Bardia region. Nepal Government has made an effort to preserve blackbucks by declaring an area of 15.95 sq. km. in Bardia as Blackbuck Conservation Area.