phenacomys: any of several vole-like terrestrial or arboreal rodents of cold forested regions of Canada and western United States
wood rat: any of various small short-tailed rodents of the northern hemisphere having soft fur grey above and white below with furred tails and large ears; some are hosts for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks)
solid figure: a three-dimensional shape