Cactus Deermice are found in habitats with sandy soil and scattered vegetation, from low deserts to rocky foothills. They typically live in burrows but are also found on the surface in piles of debris, vegetation, or rock crevices. Learn more about the Peromyscus eremicus, more commonly known as a Cactus Deermouse, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.