Eastern puma declared extinct––but did it ever really exist? - Animals 24-7
Eastern Puma Officially Declared Extinct - UNILAD
Book of the Week: The Extinction of the Eastern Cougar – Biodiversity Heritage Library
Eastern US cougar declared extinct
Eastern US cougar declared extinct 80 years after last sighting
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