A large grassbird of New Guinea and the Bismarck Archipelago. It has a long tail and searches dense grass for small invertebrates.
It has a long tail, longer than that of the related Tawny Grassbird in the comparison account. Its crown is less rufous and its underside darker.
It uses wetlands and open habitats, including grassland, and feeds on invertebrates among vegetation.
An extinction-risk assessment has not been added yet.