Interesting article that even admits that there are mountain lions in Oklahoma.

Mountain lions aren't unheard of in Oklahoma, but they are rare, according to the ODWC. Most sightings have occurred in the southern and western portions of the state. However, 'cougars may even have home ranges that cover 200 square miles,' according to ODWC's website.

Read more from this Tulsa World article at http://www.tulsaworld.com/news/article.aspx?subjectid=11&articleid=20110424_11_A11_ULNSaa684654

Here is a link that might be useful: Mountain Lion