The Eastern Cougar Is Officially Extinct - Atlas Obscura
Why Making The Eastern Puma Extinct Is A Good Thing - UNILAD
The eastern puma, officially extinct | Saga Tevé
The Differences Between a Puma, a Cougar and a Mountain Lion | Sciencing
National Post on Twitter: "Eastern puma declared extinct in United States, 80 years after the last confirmed sighting https://t.co/fGaiEaNA7Y https://t.co/p7kPL4Vgwa" / Twitter