Nuts Chewed by Giant Rat (IMAGE) Field Museum Caption These are nuts bearing the characteristic tooth-marks of <i>Uromys vika</i>. Credit Courtesy of Tyrone Lavery, The Field Museum. Usage Restrictions Please include credit line. 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.