Cougar, Puma, Mountain lion (Puma concolor) Sharpening claws on dead Stock Photo - Alamy
Why are cheetahs the only cat sub-species not having retractable claws? - Quora
Interesting facts about pumas | Just Fun Facts
Puma (Puma concolor) adult, with claws gripping onto log in stream Stock Photo - Alamy
A smilodon and a puma are locked in fierce combat. The saber-toothed cat rears up over the unfortunate puma ready to strike with its claws and teeth Stock Photo - Alamy