Golden-Crowned Sparrow (IMAGE) University of California - Santa Cruz Caption Golden-crowned sparrows with bold crown coloring are dominant over those with duller crown colors. Credit Bruce Lyon Usage Restrictions For use only with news coverage of this research 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.