Nylsvley Nature Reserve. 07/07/98; Northern Province; 3,970 ha; 24°39'S 028°42'E. Nature reserve. The nature reserve has riverine floodplains, flooded river basins, and seasonally flooded grassland, with the dominant wetland type being a seasonal river associated with a grassland floodplain. The wetland has the endangered roan antelope Hippotragus equis, and the area serves as a breeding ground for eight South African red-listed waterbirds and is the only site in South Africa which is a recorded locality for wild rice, Oryza longistaminata. The area is open to tourists, who usually come for birdwatching, and volunteers work in the area to help clear alien invasive plant species and build bird hides. Ramsar site no. 952. Most recent RIS information: 1997.