Gull Poop (image) Duke University Share Print E-Mail Caption Seagulls flock to a landfill to find easy sources of food. A study finds their nutrient-rich droppings may cause major water-quality problems in nearby lakes and reservoirs. Credit Scott Winton, Duke Usage Restrictions None Share Print E-Mail 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.