The death of more than 2,000 critically endangered Saiga antelope in Mongolia was caused by a disease that could now threaten the entire population.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/endangered-antelope-may-be-wiped-out
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/antelope
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mongolia