The home range of a Red Tree Vole may consist of just one tree, usually a large old Douglas-fir, where the vole builds its nest, eats the needles, and gets water by licking dew drops from the needles. Nests have been found more than 50 m (150 feet) above the ground. Learn more about the Arborimus longicaudus, more commonly known as a Red Tree Vole, in this easy-to-read species overview by the Smithsonian's National Museum of Natural History.