Makalu Barun National park is a home to large number of wild birds and animals. The Makalu Barun National park has more than 47 varieties of orchids, 67 species of economically valuable medicinal and aromatic plants, 25 of Nepal’s 30 varieties of rhododendron, 19 species of bamboo, 15 oaks including arkhoulo, 86 species of fodder trees and 48 species of primrose. Over 400 species of birds have been sighted in the Makalu and Barun area. Two of the species had never been seen else where in Nepal . They are the spotted wren babble and the oklive ground warbler. Wildlife includes the endangered red panda, musk deer, Himalayan black bear, clouded leopard and possibly snow leopard in addition to more substantial populations of goral, Himalayan Tahr, wild boar, barking deer, Himalayan marmot and weasel, common languor monkey and the Serow. The Arun river system contains 84 varieties of fish. Some 32000 people inhabit the conservation area.