Pine Ridge researchers gain knowledge about the cougar | Recreation | norfolkdailynews.com
Eastern Cougar "Extinction" - Some Key Points - Dr. L. Mark Elbroch
eastern cougar | extinct mammal | Britannica
Eastern Cougars Removed from Endangered Species List - Mountain Lion Foundation
Discover 6 Extinct Animals That Lived in Vermont - AZ Animals
Ancient Cougars Survived Ice Age Extinction By Not Being Picky Eaters, Study Finds – Western Digs
Eastern Cougar (Puma Concolor Couguar). This photograph was taken in 1986, prior to when they were officially declared extinct in 2018. Stock Photo | Adobe Stock
Are Mountain Lions Endangered? Conservation Status
Cougar – International Society for Endangered Cats (ISEC) Canada