The Fulvous Wren occurs in the eastern Andes of southeastern Peru and Bolivia. It is olive-rufous, with a pale eyebrow and throat and dark bars on the wings and tail.
It is about 14.5 cm long and olive-rufous, with dusky bars on the flight feathers and tail. A buff or whitish eyebrow and throat border a darker stripe through the eye. Some adults have white patches on the head.
It forages in the understory of humid montane forest in pairs or family groups. It is uncommon on the southeastern Andean slope at about 1,700–3,000 m.
An extinction-risk assessment has not been added yet.