White-Throated Sparrows Close-Up (IMAGE) University of Michigan Caption White-throated sparrows that were part of a large University of Michigan-led study of nighttime building collisions in the Midwest. These birds died after colliding with buildings in Chicago and were collected by researchers at the Field Museum. Credit Photo by Roger Hart/University of Michigan Photography. 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.