Glaucous-Winged Gull (IMAGE) University of British Columbia Caption The number of Glaucous-winged gulls (Larus glaucescens) in the Georgia Basin is down by 50 percent from the 1980s. Credit Louise Blight 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.