Sciuromorpha (suborder of rodents)
ground squirrel (esp. a ground squirrel of North America or Africa)
Hokkaido squirrel (subspecies of red squirrel, Sciurus vulgaris orientis)
chipmunk (esp. the Siberian chipmunk, Tamias sibiricus)
Japanese squirrel (Sciurus lis)
Taiwanese squirrel (subspecies of Pallas's squirrel, Callosciurus erythraeus thaiwanensis)
red squirrel (Sciurus vulgaris)
ground squirrel (esp. the Daurian ground squirrel, Spermophilus dauricus)