Male and female California sea lions (IMAGE) University of California - Santa Cruz Caption Male and female California sea lions differ substantially in body size and foraging behavior. Credit Illustration by Sarah Gutierrez Usage Restrictions For use only with news coverage of this research License Original 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.