Swamp Sparrow (IMAGE) Queen Mary University of London Caption American swamp sparrows may have sung the same songs for more than 1,000 years and passed them on through generations by learning, according to researchers at Queen Mary University of London, Imperial College London and Duke University. Credit Robert Lachlan 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.