Spatule blanche
bird in this national park. Sri Lanka junglefowl is another endemic bird inhabits the park. Lesser adjutant, yellow-fronted barbet, and Sri Lanka spurfowl are the species that visit the reservoirs and streams of the national park. Peafowl, painted stork, black-headed ibis and Eurasian spoonbill are the park's other aquatic birds. Rare Sri Lanka frogmouth can be found here. Another rare species, chestnut-winged cuckoo, is seen near the Mahaweli river.