North American Least Shrews have a repertoire of tiny calls, audible to human ears up to a distance of only 20 inches or so. Nests are of leaves or grasses in some hidden place, such as on the ground under a cabbage palm leaf or in brush. Learn more about the Cryptotis parva, more commonly known as a North American Least Shrew, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.