The Puma Is The Great American Predator - My Animals
Ancient Cougars Survived Ice Age Extinction By Not Being Picky Eaters, Study Finds – Western Digs
This Isn't the End of the Eastern Cougar - Outside Online
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 US cougar declared extinct
Puma Animal Facts | Felis concolor - AZ Animals
Puma | The Nature Conservancy
Federal agency says Eastern puma extinct, drops protections
Now Extinct, Eastern Cougar Removed From Endangered List | Courthouse News Service