Bensonetall.Photo4_NationalParkService(credit)[22].jpg (IMAGE) University of Nebraska-Lincoln Caption This research project tracked almost 600 mountain lions in 23 areas of California, assembling separate studies into a single, statewide study, a significant methodological advance for strengthening such scientific work. Credit National Park Service Usage Restrictions For use only with this article. Must be credited to National Park Service License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.