Red-Eyed Vireo (IMAGE) U.S. National Science Foundation Caption The red-eyed vireo, is one of the songbirds the team researched, shown here with a radio transmitter fitted to its back, using an adhesive. The transmitters recorded birds' locations as they migrated across the Gulf of Mexico. Credit Jaclyn Smolinksy 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.