The rufous-rumped seedeater (Sporophila hypochroma), also known as the grey-and-chestnut seedeater, is a species of bird in the family Thraupidae.

It breeds in southern Paraguay, Argentina, and Uruguay.

[2] It migrates northward to Bolivia, the Pantanal and central Brazil.

Its natural habitats are dry savanna, subtropical or tropical seasonally wet or flooded lowland grassland, and pastureland.

This article about a tanager is a stub.