The Fawn-breasted Wren is about 13 cm long. It uses lowland forest understory, thickets, and forest edges and eats invertebrates. A Paraguay study found three nests in riparian forest.
It is about 13 cm long.
It uses thickets and forest understory near wetlands and rivers. Three nests were found in riparian understory in Paraguay; one was in a spiny palm.
An extinction-risk assessment has not been added yet.