New Species from Peru - Map (IMAGE) Field Museum Caption Map: This map shows where the new species of brush tailed rodent was discovered in Peru's Manu National Park and Biosphere Reserve. It also shows where scientists have located each of the five other species of the genus Isothrix. The dark areas represent moist broadleaf forests; pale areas represent dry broadleaf forests, and stippled areas represent grasslands, savannas and shrublands. Credit Map by Bruce Patterson, Courtesy of The Field Museum Usage Restrictions Only for articles about this research. 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.