A native East Tennesseean nature lover got to see a big cat in the wild!!! What I saw A young mountain lion the size of a full grow dog but longer long, tail the length of it's body from noise to butt. Head round with short mussel and rounded ears on top of it's head. I didn't have along enough to see colorashons. As it was . Over the years, a total of young men who played for the Cougars at one time or another have reached the Major Leagues. While some earned the cliché "cup of coffee" before being sent back down to the minors, many have stayed in the big leagues and thrived to the point of becoming household names as Major. The cougar is the largest native cat in North America. Outside of zoos, you won't find any big cat species, such as lions, tigers, jaguars and leopards, roaming the countryside. Surprisingly, cougars are technically small cats, members of the same group as domesticated cats. Their size is comparable to leopards, with adult.