ROGER HALL / SCIENCE PHOTO LIBRARY ROGER HALL / SCIENCE PHOTO LIBRARY
Artist's conception of the American Lion (Panthera leo atrox), a prehistoric lion, now extinct, which ranged from North America to northwestern South America during the Pleistocene epoch. At about 25% larger than the modern African lion, it is one of the largest cats ever to have existed.
Model release not required. Property release not required.