The Thick-billed Seed-finch (Oryzoborus funereus) is a species of bird in the Thraupidae family. It is found in Belize, Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Mexico, Nicaragua, and Panama. Its natural habitats are subtropical or tropical moist lowland forests and heavily degraded former forest.
BirdLife International 2004. Oryzoborus funereus. 2006 IUCN Red List of Threatened Species. Downloaded on 26 July 2007.