Zebra Finches (IMAGE) Max-Planck-Gesellschaft Caption Environmental factors considerably determine song characteristics of adult zebra finches. Credit MPI f. Ornithology/Leitner 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.