paintedbunting1 (IMAGE) Washington State University Caption While researchers found that songbirds living in the urban core had smaller eyes than members of the same species living at the edges of the city, they found no eye size difference for migratory birds like the Painted Bunting (pictured here). The findings suggest that migratory birds may have trouble adapting to city life. Credit Jennifer Phillips, Washington State University Usage Restrictions For use only only with stories associated with this press release License Original 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.