The Sulphur-rumped Tanager (Heterospingus rubrifrons) is a species of bird in the Thraupidae family. It is found in Costa Rica and Panama. Its natural habitat is subtropical or tropical moist lowland forests.
BirdLife International 2004. Heterospingus rubrifrons. 2006 IUCN Red List of Threatened Species. Downloaded on 26 July 2007.