Haleji Lake
Located in Thatta District, 70 km (about 52 miles) from Karachi, the lake is Asia's largest bird sanctuary where every winter, thousand of migratory birds come from as far as Siberia. The migratory birds include Dalmatian Pelican, European Wigeon and Black Coot. Thousands of Black-crowned Night Heron roost in the area. As many as 223 bird species have been recorded in the environs of Haleji lake. For instance, osprey, Pallas's fish eagle, Buzzards, Harriers, falcons, Wigeon, coot, shoveller, pintail, Teals, Mallard, heron, Jacana, flamingos and some times Bewick's swan.
In Punjab province there are a number of man made and natural lakes that are essential for the stopover of the migratory birds beside a source of natural vegetation, fisher and provision of water for the locals.