Mountain lions were extirpated in the eastern and midwestern United States after Europeans settled those areas, but they are making a comeback in some states outside their known range around the Rocky Mountains in the western Unites States and Canada.
[Picture by the Oklahoma Dept. of Wildlife Conservation @OKWildlifeDept. The little joke line is mine. @OKWildlifeDept did not say where the picture was taken, but I assume its Oklahoma, since sightings of mountain lions there are reported from time to time].