California Mountain Lions Are at Risk for Extinction Within 50 Years
The Eastern Cougar Is Officially Extinct - Atlas Obscura
Mountain Lions Could Be Listed As an Endangered Species in California
California's mountain lions face extinction – but farmers slam moves to protect the species | The Sun
Parveen Kaswan, IFS on Twitter: "The eastern #cougar, also known as #Puma is officially extinct from the face of the #earth now. It is also called as mountain lion. Reason behind extinction
Cougar - Wikipedia
Are Pumas endangered in North America? - Quora
The Eastern Cougar Is Declared Extinct After Not Being Seen For 80 Years | IFLScience