About 22% of Bhutan ’s total land area is designated as national parks, nature reserves, wildlife sanctuaries and conservation areas. These protected areas sustain hundreds of bird species. To date 675 bird species have been sighted in Bhutan , including 14 that are identified as globally threatened by Bird Life International. The threatened species include the Rufous-necked Hornbill, which inhabits the southern foothills, the Black-Necked Crane which migrates to Bhutan from Tibet in winter, and the Tragopan Blythii.
Bhutan has 114 temperate forest species of birds alone.