The brush deermouse has a brown back, a pale underside, and a long tail with a tufted tip. It is active at night and uses trees and rock crevices.
The upper parts are medium brown, with an orange stripe along the sides and a whitish underside. Its long tail is bicolored and tufted at the tip.
It is nocturnal and climbs. It nests in tree cavities, rock crevices, and logs; its omnivorous diet varies by season and region.
An extinction-risk assessment has not been added yet.