Puma (IMAGE) University of California - Santa Cruz Caption Pumas significantly reduced their activity, kept their distance from the sound of human voices, and slowed their movements during the study. Credit Paul Houghtaling Usage Restrictions For use only with news coverage of this research 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.