Buzzard (IMAGE) Bielefeld University Caption Thanks to information from amateur birdwatchers, biologists at Bielefeld University have been able to confirm which genes determine when young buzzards leave their parents' territory. Credit Bernhard Glüer Usage Restrictions The image may only be used with appropriate caption or 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.