Duck Tracking 1 (image) University of Missouri-Columbia Share Print E-Mail Caption In this image, a mallard duck flies off with a tracking device attached to its back. Credit Mike Wintroath, Arkansas Game and Fish Commission. 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.