The Elegant Oryzomys is a terrestrial rodent of humid forests in western Amazonia. Its tawny back and tail nearly as long as its body are noted in the species account.
It is medium-sized, with bright tawny to tawny-brown fur above, ochre highlights along the sides, a whitish-gray underside, and a tail nearly as long as its body.
It is terrestrial and is recorded mainly in humid tropical evergreen forest. The cited species account does not give detailed information on its diet or activity schedule.
An extinction-risk assessment has not been added yet.