Federal agency says Eastern puma extinct, drops protections
Puma That Vanished from U.S. East Coast 80 Years Ago Sadly Declared Extinct
Eastern Cougar Now Extinct, U.S. Officials Say | Live Science
Why Making The Eastern Puma Extinct Is A Good Thing - UNILAD
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)
Are Mountain Lions Endangered? Conservation Status