Oldfield white-bellied rat
They are dorsally dark grayish brown and ventrally creamy white; there is a sharp border between the dorsal and ventral coloration.The tail is similarly bicolored except for the terminal portion that is entirely white.The face is rather grayish but has dark patches just in front of and behind the eyes.[4] This species occurs in primary hemlock forests, and sometimes in secondary habitats, typically at elevations of 300–2,000 m (980–6,560 ft) above sea level.It can be locally common and is found in the Yushan National Park.