Adélie Penguins (IMAGE) University of Minnesota Caption The population size of an Adélie penguin colony on Antarctica's Beaufort Island increased 84 percent as the ice fields retreated between 1958-2010, with the biggest change in the last three decades. Credit Michelle LaRue, University of Minnesota Usage Restrictions With proper credit to Michelle LaRue, University of Minnesota 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.