detlaphiltdic-US Officials declare Eastern Cougar extinct. detlaphiltdic Sunday, March 2011 U. officials declare eastern cougar extinct The eastern cougar,(left) a large and elusive tawny wild cat that once prowled over wilderness in 21 states,
View of a female mountain lion (Felis concolor) with her kittens under a redrock ledge. The mountain lion is also known as the puma, and the cougar. A fully grown mountain lion has a body length of metres and a body weight of up to 100 kg.