Apart from that the 18,149 hectare of national park also encompasses of a 200-hectare natural lake swamp, visited by various species of migratory birds. The national park does not only secure the species of birds but also breeds and roosts them. Some of the regular birds that can easily be spotted are the Pelicans, Painted Storks, Spoonbills, White Ibis, Herons, Egrets and the little Cormorants.