An Inland wetland of Man-made origin located in the Dry Zone of the North-Central province. Padaviya is a recently restored irrigation tank. This area is considered an IBA by BirdLife International. The aquatic vegetation consists of rooted and floating macrophytes. There are extensive grassland areas especially during the dry season when the water line recedes. The freshwater fish fauna of the Padaviya tank is dominated by exotic species (mainly Oreochromis spp.), while endemics such as Puntius singhala and Clarias brachysoma have been recorded in the past. Noteworthy reptiles include Crocodylus palustris, Geochelone elegans, Lissemys punctata and Melanochelys trijuga. The Padaviya tank, being a large water body is an ideal habitat for water birds; Pelecanus philippensis, Ciconia episcopus, Leptoptilos javanicus and Mycteria leucocephala are among the noteworthy species. This tank was originally constructed by king Mahasen in the 3rd century AD and restored by King Parakramabahu in the 12th century AD to enable agricultural activities in the area.
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