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.
Chitwan National Park, Bardia National Park along with 11 other national parks in Nepal are rich in a different kind of flora and wildlife, birds, such as the rare great one-horned rhinoceros, several species of deer, bear leopard dolphin, crocodile, birds, tiger etc. living in this park in their natural habitat. The parks are very popular for elephant safari, dugout canoeing, nature walk, bird watching, jungle excursion and visit to the village of local tribes called Tharu.