The Large Scrubwren is a scrubwren of New Guinea's montane forests. Its colors vary among subspecies, and it can occur in small groups in the lower forest layers.
The face has rufous tones, and the underparts range from dull olive to buffy brown. The color and pattern vary among subspecies.
It uses lower layers of moist montane and secondary forest and may be seen in small groups. It feeds on insects and other arthropods, and sometimes seeds.
An extinction-risk assessment has not been added yet.