This map contains both the Cabanis's Seedeater of central America and the Ecuadorian seedeater of Ecuador.
Range data provided by Infonatura/Natureserve and BirdPhotos.com.
Ridgely, R. S., T. F. Allnutt, T. Brooks, D. K. McNicol, D. W. Mehlman, B. E. Young, and J. R. Zook. 2005. Digital Distribution Maps of the Birds of the Western Hemisphere, version 2.1. NatureServe, Arlington, Virginia, USA. Additional updates and changes by BirdPhotos.com 2016.
Rare. From a four way split of the Blue Seedeater. The male is very similar to the male [Blue-black Grassquit], but has a slightly thicker bill. Best bet look for a female, which is unstreaked brown, darker on back.