Shrews of many kinds often live in size-ranked communities. Such a community might include large, medium, and small shrews such as the Short-tailed, Smoky, and Cinereus Shrews, which feed, respectively, on large, medium, and small invertebrates. Learn more about the Sorex fumeus, more commonly known as a Smoky Shrew, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.