Marmots (IMAGE) University of California - Los Angeles Caption Less social yellow-bellied marmots live longer, on average, than more social ones, a UCLA-led long-term study has found. Credit Ben Hulse 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.