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)
The Eastern Cougar Is No More - The Lab World Group
Now Extinct, Eastern Cougar Removed From Endangered List | Courthouse News Service
Are Mountain Lions Endangered? Conservation Status
U.S. authorities declare Eastern puma extinct, 80 years after last sighting
Eastern puma declared extinct––but did it ever really exist? - Animals 24-7
Eastern Cougars Declared Extinct—But That Might Not be Bad
Puma: Habitat, Physical Description, Diet, Conservation – Philadelphia Zoo
Book of the Week: The Extinction of the Eastern Cougar – Biodiversity Heritage Library
Help Save the Florida Panther | The Nature Conservancy