This seedeater is recorded in southern and southeastern Brazil, Paraguay, and eastern Argentina. Adult male plumage ranges from pale pinkish cinnamon to warm ochre-brown. It was formerly treated as a subspecies of S. bouvreuil.
Adult males range in color from pale pinkish cinnamon to warm ochre-brown.
A Brazilian breeding study from 2012–2017 recorded 83 nests in herbaceous plants in open marshes, 15–73 cm above wet ground or water.
An extinction-risk assessment has not been added yet.