Cinnamon-colored Oldfield mouse

The cinnamon-colored Oldfield mouse (Thomasomys cinnameus), also called the "cinnamon-colored Thomasomys", is a species of rodent in the family Cricetidae. It is present in the Cordillera Oriental of the Andes from north central Ecuador to southern Colombia, at elevations from 2400 to 3800 m. It has terrestrial habits, and has been found in cloud forest and mossy areas. It was formerly considered a subspecies of T. gracilis.