The Oriental House Rat is widely recorded in rural and residential parts of Taiwan. Its back is gray-brown, its underside gray-white, and it eats grain grown or stored by people.
Its back is gray-brown and its underside is gray-white.
It is omnivorous, with records of feeding on cultivated and stored grain. In Taiwan it has been found in both rural and residential areas.
An extinction-risk assessment has not been added yet.