Patagonia in South America was once the home of Ice Age giants, like huge sloths, bears and saber-toothed cats. Suddenly, they all died at exactly the same time--around 12,300 years ago.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/study-revealed-both-humans-and-climate-change-killed-ice-age-giants-how
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/nature-world-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/alaska
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/extinct-species