Encounternet Field Research (IMAGE) University of Washington Caption Lysanne Snijders (left), a doctoral student in the Netherlands, uses electronic tags, base stations and computer interface to study the social behavior of small woodland birds. Credit Marc Naguib, Netherlands Institute of Ecology Usage Restrictions With credit 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.