Hummingbird Feeders (IMAGE) University of California - Davis Caption Hummingbird feeders hang from a tree at The Gottlieb Native Garden in Beverly Hills, one of the sites of a UC Davis study about hummingbird interactions, behavior and health. Credit Jen May Photography Usage Restrictions provide credit 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.