Mountain Bluebird (image) University of California - Berkeley Share Print E-Mail Caption The mountain bluebird shifted upslope in a portion of its range in response to climatic warming. Credit Morgan Tingley photo Usage Restrictions All rights reserved. Non-commercial use only with credit. Share Print E-Mail 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.