|Rufous-rumped Seedeater (Sporophila hypochroma)
|Vila Bela de Santíssima Trindade, Mato Grosso, Brazil.
The Rufous-rumped Seedeater is distributed patchily in south-west Brazil, Bolivia, Argentina and, probably, Paraguay. It is usually in mixed seedeater flocks and this bird was in tall grass beside a roadside marsh.
|It looks very like Tawny-bellied Seedeater Sporophila hypoxantha but the grey on the upperparts is noticeably more bluish and the underparts are a deeper chestnut.
There is an illustration in Ridgely & Tudor, Volume 1, Plate 26.