Puma in a Tree (IMAGE) University of California - Santa Cruz Caption 7F, an approximately 7-year-old mother is treed by trailing hounds in 2013 so researchers can replace her collar before the batteries fail. 7F lives in the mountains above Los Gatos, Calif., and has had three litters of kittens in the four years since she was first collared. Credit Paul Houghtaling, UC Santa Cruz Usage Restrictions None 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.