Ground Squirrels Relearn Smell (IMAGE) University of Chicago Caption Ground squirrels are able to relearn their ability to recognize the smell of their siblings after hibernation, which gives an additional advantage in forming groups for protection. Credit Jill Mateo, University of Chicago Usage Restrictions None 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.