Clark's Nutcracker on whitebark pine. (IMAGE) The Institute for Bird Populations Caption A Clark's Nutcracker perches in a whitebark pine. Photo by Frank D. Lospalluto/Flickr. (CC BY-NC-ND 2.0) Credit Photo by Frank D. Lospalluto/Flickr. (CC BY-NC-ND 2.0) Usage Restrictions Attribution-NonCommercial-NoDerivs 2.0 Generic 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.