Pearl mussels may be extinct from several rivers in Scotland, Scottish Natural Heritage (SNH) has warned.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pearl-mussels-extinct-several-rivers
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scotland
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-kingdom-uk
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change