13-Lined Ground Squirrel (2 of 2) (IMAGE) Cell Press Caption This is a photograph of a 13-lined ground squirrel. Credit Gracheva Lab Usage Restrictions Credit Required. 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.