Anna's Hummingbird, <i>Calypte anna</i> (IMAGE) eLife Caption The species studied: Anna's hummingbird, Calypte anna. Credit Benny Goller Usage Restrictions With a credit to Benny Goller 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.