Angry Birds (IMAGE) Virginia Tech Caption Scott Davies, a postdoctoral associate in biological sciences in the College of Science, measured territorial aggression in male song sparrows at three rural and three urban sites in the New River Valley during the spring of 2015. Credit Courtesy of Scott Davies. 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.