Prairie Vole (IMAGE) Duke University Caption Common in pastures and fallow fields throughout the Midwest, prairie voles living in close quarters are less stressed out, finds a new study. Credit Photo courtesy of Aubrey M. Kelly, Cornell 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.