The Zebra Finch Used in the Study (IMAGE) Hokkaido University Caption The zebra finch used in the study. Credit Hokkaido University Usage Restrictions This image is copyrighted and can be used for reporting this research work without obtaining a permission if credited properly. 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.