Mouse opossum (IMAGE) Field Museum Caption A mouse opossum (Gracilinanus agilis) from a deforested area of the Atlantic Forest, eastern Paraguay. Credit © Noé U. de la Sancha, Field Museum Usage Restrictions Please include credit to © Noé U. de la Sancha, Field Museum 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.