Eastern puma questions put Florida panther in peril - E&E News by POLITICO
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 puma declared extinct––but did it ever really exist? - Animals 24-7
The eastern puma is declared officially extinct | Daily Mail Online
Are Mountain Lions Endangered? Conservation Status
Eastern Cougars Declared Extinct—But That Might Not be Bad