Jim Corbett National Park is the oldest national park in India, established in 1936 as Hailey National Park to protect the endangered Bengal tiger. The park was the first to come under the Project Tiger initiative. The park has sub-Himalayan belt geographical and ecological characteristics. An ecotourism destination it contains 488 different species of plants and a diverse variety of fauna. Corbett has been a haunt for tourists and wildlife lovers for a long time. Tourism activity is only allowed in selected areas of the park. Presently, every season more than 70,000 visitors visit the park. The Park comprises of 520.8 sq.kms of hills, riverine belts, marshy depressions, grasslands and a large lake. Winter nights are cold but the days are bright and sunny. It rains from July to September. Dense moist deciduous forest mainly consists of sal, haldu, peepal, rohini and mango trees. Forest covers almost 73% of the park, 10% of the area consists of grasslands. It houses around 110 tree species, 50 species of mammals, 580 bird species and 25 reptile species. It is one of the thirteen protected areas covered by the WWF under their Terai Arc Landscape Program. The program aims to protect three of the five terrestrial flagship species, the tiger, the Asian elephant and the Great One-horned Rhinoceros, by restoring corridors of forest to link 13 protected areas of Nepal and India, to enable wildlife migration.