A Red Squirrel in Algonquin Park (IMAGE) University of Guelph Caption Researchers of a University of Guelph-led study found a link between healthier communities of micro-organisms and low stress in wild squirrels. Credit Colleen Bobbie - University of Guelph Usage Restrictions For use only in stories relating to this study. 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.