study sites (IMAGE) University of Washington Caption This map indicates the seabird sites used in this study. Red dots indicate sites in the Northern Hemisphere, while black dots show sites in the Southern Hemisphere. Credit Brian Hoover/P. Dee Boersma Usage Restrictions Must include credit 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.