When a Cape clawless otter is found with missing back toes in the Hout Bay River in Cape Town, it's a sign the survival of the river is at stake.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sa-rivers-deep-water-quarter-major-rivers-are-%E2%80%98critically-endangered%E2%80%99
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-live-south-africa
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-africa
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/plastics
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-disposal
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa