Western harvest mouse (IMAGE) University of California - Davis Caption A live western harvest mouse's grayish-white belly is inspected to discern it from the similar-looking salt marsh harvest mouse, which has a more reddish tint to its abdomen. Credit Courtesy Mark Statham, UC Davis Usage Restrictions Provide credit. 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.