A Rare Icelandic Black-Tailed Godwit (IMAGE) University of East Anglia Caption New research shows that extensive shell fishing and sewerage discharge in river estuaries could have serious consequences for rare Icelandic black-tailed godwits. But the males are more likely to suffer, according to research from the University of East Anglia. Credit Tómas Gunnarsson 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.