Links:
[1] http://admin.indiaenvironmentportal.org.in/news/migratory-birds-declining-manipur
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/assam-tribune-guwahati
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/migratory-species
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/manipur
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/imphal-d