White-Breasted Nuthatch (IMAGE) California Polytechnic State University Caption The white-breasted nuthatch has good dim light vision and advanced the timing of its nesting with light exposure. Credit David Keeling Usage Restrictions Image may only be used with appropriate caption and 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.