Zebra Finch Songs (audio) University of Illinois at Urbana-Champaign Loading audio... Caption Every (male) zebra finch sings a unique song. University of Illinois cell & developmental biology professor David Clayton compares the songs of two finches. Credit Audio courtesy of David Clayton Usage Restrictions Audio may be used only in connection with stories about the research described in this news release. Please credit: Audio courtesy of David Clayton. 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.