Department of National Parks and Wildlife Conservation in coordination with the WWF and the National Trust for Nature Conservation released an estimated population of the endangered tigers and snow leopards of Nepal. According to a press release issued by WWF, there are a total of 121 breeding tigers spread over the four protected areas, with the highest number in the Chitwan National Park with 91 tigers. Bardiya National Park, Shuklaphanta Wildlife Reserve and Parsa Wildlife Reserve were estimated to have 18, eight and four tigers respectively. Similarly, the estimated population of snow leopards is 300-400 in the Himalayan region.The tiger census was conducted for four months — from December 2008 to March 2009. Camera trappings and scouting footprints were the two major techniques to survey the number of tigers.