LAHORE - Waterfowls as well as other birds which migrate to Pakistani wetlands always found changing their schedule of arrivals in past as Punjab Wildlife and Parks Department is currently busy determining the estimated figure of such birds arrival to the Punjab wetlands during the ongoing winter season, The Nation has learnt. Wildlife officers told that the birds migration to Punjab wetlands starts from October and continued till March. The migratory birds include Mallard, Pintail, Common Teal, Peuchard, Ruddy Shel-Duck, Whestling Teal, Spot Bill, Golden Age, Bar Headed Geese Shoveler, Wigeon, Gorganey, Common Scooter, Tufted Duck, Goosander and Merganser. They said the arrival of birds at wetlands had been confirmed in October and November of the current year. Talking about the hunting of the birds, the officer concerned of the Punjab Wildlife Department has said that the hunting period of birds usually change every year according to circumstances under the Wildlife Acts 1 and 3 schedule. Referring to the arrival of Waterfowls at wetlands and lakes, he said 10 wetlands inclusive lakes were famous for the birds arrival in Punjab. In 2009 and 2010, the birds at Mangla Dam, Maral Barrage, Rasul Barrage, Taunsa, Qadirabad, Tremu and Chashma Barrage were seen and confirmed by the Punjab Wildlife Department in routine. Arrival of Waterfowls in 2009 and 2010 was also confirmed by the Punjab Wildlife Department at Kharar, Uchali, Jhalar, Khabeki, Namal and Kalar Kahar lakes in past, they said. They said that about 1,60,184 birds arrive at different wetlands of Punjab. They further said that the department could not elaborate the exact figure of arrival of Waterfowls as only estimated figures could be issued.