Kumana National Park spreads over an area of 35,664 hectares. In the west, the park is bordered by River Kumubukkan Oya; to the south is south-eastern coast that runs to Panama. A 200 hectares mangrove swamp called “Kumana Villu” within the Park is subject to occasional inundation with sea water. It is at this swamp that many water birds nest, during the months of May and June.Sri Lanka records more than 430 bird species comprising endemic, resident and migrant birds. Of these, the bird watchers are able to watch over 200 species easily.Apart from being abound with the birdlife, Kumana is also home to some of the mammals found in the adjacent Yala National Park such as Elephants, Leopards, Golden Jackal, Wild Boar, European Otter as well as the endangered Fishing Cat.