The Allegheny Woodrat is the only woodrat in its Appalachian Mountain range. Instead of building large stick houses, these Woodrats build cup-shaped nests of twigs, bark bits, and grass in rocks and buildings. Learn more about the Neotoma magister, more commonly known as an Allegheny Woodrat, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.