Four bat cover image (IMAGE) University of Maryland Caption UMD-led study revealed age-related changes to the DNA of bats related to longevity. Clockwise from top left: common vampire bat (G. Wilkinson), greater horseshoe bat (G. Jones), velvety free-tailed bat (M. Tschapka) and greater mouse-eared bat (S. Puechmaille). All can live 30 years or longer except velvety free-tailed bat, which only lives to 6 years of age. Credit G. Wilkinson, G. Jones, S. Puechmaille, M. Tschapka 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.