The Mattugia Sparrow is a small passerine bird with brown plumage on its upper body and off-white plumage on its underparts. It has a distinctive dark patch on its white cheek and a brown cap on its head. It is a social bird, often seen in small groups. Its diet includes seeds, insects, and berries. Its calls resemble chirps and trills. It is a partial migrant, with some populations moving during the winter. The species nests in tree cavities or buildings, using materials such as grass and feathers. The breeding season runs from April to August, with two or three broods per year. It is an adaptable bird, found in agricultural areas, parks, and gardens.