Family Tanagers (Thraupidae)

Near Threatened

Rufous-rumped Seedeater (Sporophila hypochroma)


French: Sporophile à croupion roux German: Rotbürzelspelzer Spanish: Semillero culirrufo

Sporophila hypochroma


, 1915,

Buena Vista, Santa Cruz, Bolivia


Belongs in S clade of “capped” (“capuchino”) Sporophila (see S. castaneiventris and S. bouvreuil, above). Monotypic.


S Paraguay, NE Argentina (E Formosa and E Chaco S to Corrientes, Entre Ríos and N Buenos Aires) and adjacent W Uruguay; non-breeding N & E Bolivia (Beni, La Paz and W Santa Cruz), SW Brazil (S Mato Grosso and S Goiás, S to N Paraná) and E Paraguay.

Descriptive notes

10 cm; one young male 9·7 g. A tiny seedeater with small, rounded bill. Male breeding has crown to mantle and upper back greyish, lower back and rump chestnut; tail... read more


Song more complex than that of other “capuchino” seedeaters, a long warble with many... read more


Tall grasslands adjacent to marshes or other open wetlands; breeding evidently confined to... read more

Food and feeding

Grass seeds. Clings to grass stem while foraging for seeds. Sometimes in mixed flocks with other members of genus.


Season Dec–Feb. Nest with 2 eggs found in Feb in Uruguay. No other information.


Poorly known. Partially migratory, but details of movements and precise location of non-breeding... read more

Status and conservation

Not globally threatened. Currently considered Near-threatened. Generally uncommon to rare, and very patchily distributed. Range sometimes mapped as rather large, but appears... read more

Recommended citation

Jaramillo, A. & Bonan, A. (2020). Rufous-rumped Seedeater (Sporophila hypochroma). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 19 February 2020).