Desert Kangaroo Rat (IMAGE) University of Chicago Press Journals Caption A twenty-seven day old desert kangaroo rat, Dipdomys deserti, learning how to use its cheek pouches. Credit Mark A. Chappell 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.