The Great-billed Seed-finch (Oryzoborus maximiliani) is a species of bird in the Thraupidae family. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, and Venezuela. Its natural habitats are subtropical or tropical moist shrubland, swamps, and heavily degraded former forest.
BirdLife International 2004. Oryzoborus maximiliani. 2006 IUCN Red List of Threatened Species. Downloaded on 26 July 2007.