With each day passing, the count of migratory birds at the Pong Dam reservoir has shown a steady rise. By November end, the reservoir, spreading over an area of 18,000 hectares during summer months
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/winged-visitors-return-roost-pong-reservoir
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-chandigarh
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife