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 Cougars Declared Extinct—But That Might Not be Bad
Puma | The Nature Conservancy
Eastern Puma declared officially extinct
Now Extinct, Eastern Cougar Removed From Endangered List | Courthouse News Service