Nestling Responses to Song (video) Uppsala University Share Print E-Mail Loading video... Caption Juvenile birds discriminate and selectively learn their own species' songs even when primarily exposed to the songs of other species, but the underlying mechanism has remained unknown. A new study, by researchers at Uppsala University, shows that song discrimination arises due to genetic differences between species, rather than early learning or other mechanisms. Credit David Wheatcroft Usage Restrictions May only be published in connection to reports about the research by Wheatcroft and Qvarnström. Share Print E-Mail 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.