Audio Duet Code 1 (AUDIO) University of Miami Your browser does not support the audio element. Caption This duet code from mated wrens is less coordinated than the duet code in Audio File 2 because it was sung soon after the pair formed. Credit Karla Rivera-Cáceres Usage Restrictions editorial only 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.