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 puma declared extinct, 80 years after last confirmed sighting - The Wildlife Society
Eastern cougar subspecies declared extinct - The Cougar
Six Nations of the Grand River - The following information has been provided courtesy of the Six Nations Wildlife Office with respect to Cougar Animal Sightings, Conservation & Safety: Mountain Lion (Cougar) -
California Mountain Lions Could Soon Be Considered Endangered | Nature and Wildlife | Discovery
Another Beautiful Animal Lost, The Eastern Puma Is Officially Declared Extinct
The Eastern Cougar Is Officially Extinct - Atlas Obscura
Eastern cougar - Wikipedia
The Eastern Cougar will be officially listed as extinct — almost 80 years after last sighting | The Independent | The Independent
Eastern puma declared extinct––but did it ever really exist? - Animals 24-7
Puma Animal Facts | Felis concolor - AZ Animals
Cougar: cette espèce est désormais éteinte - L'Express
How does the official extinction of eastern pumas affect Maine? | WPFO
Why Making The Eastern Puma Extinct Is A Good Thing - UNILAD