Plain Wren Duets Audio (AUDIO) University of Miami Your browser does not support the audio element. Caption This is an audio recording of a duet of the plain wrens of Costa Rice. Credit Karla D. Rivera-Càceres, University of Miami College of Arts & Sciences, Department of Biology. 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.