Ash-Throated Flycatcher (IMAGE) Proceedings of the National Academy of Sciences Caption An ash-throated flycatcher perches on a branch. Credit Image courtesy of Dave Keeling (Emeritus, California Polytechnic State University, San Luis Obispo, CA). 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.