Saltmarsh Sparrows Graphic (IMAGE) Cornell University Caption Upland versus saltmarsh dwellers of the same species with corresponding differences in appearance and salt tolerance. Credit Jillian Ditner, Cornell Lab Science Illustrator Usage Restrictions For use with articles about this research only. 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.