Affiliation: | Ornithological Society of Pakistan, Near Chawk Fawara, Block'D', Dra Ghazi Khan 32200, Pakistan;Department of Biology, Quaid-e-Azam University, Islamabad, Pakistan;Scottish Natural Heritage, Kinross &South Perthshire Loch Leven Laboratory, The Pier, Kinross KY13 7UF, Scotland, United Kingdom |