Eastern Cougar extinct, no longer needs protection, says US conservation agency | Wildlife | The Guardian
Local Mountain Lion Population Faces Precipitous Decline in Genetic Diversity Within 50 Years, Possible Extinction - Santa Monica Mountains National Recreation Area (U.S. National Park Service)
Eastern cougar - Wikipedia
Cat Obituary. Farewell Eastern Cougar - The Tiniest Tiger's
Cougar: cette espèce est désormais éteinte - L'Express
Cougar – International Society for Endangered Cats (ISEC) Canada
Puma | The Nature Conservancy
Eastern Cougars Declared Extinct—But That Might Not be Bad
Why Making The Eastern Puma Extinct Is A Good Thing - UNILAD
Puma That Vanished from U.S. East Coast 80 Years Ago Sadly Declared Extinct