The American mountain lion or cougar is now re-populating parts of the US, scientists say.
Their numbers had plummeted in the last 100 years because of hunting and a lack of prey.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cougars-make-comeback-after-century-decline
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lion
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hunting
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species