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.
A bit smaller than the [White-throated Toucan]. There are three forms, and a fourth that is now a species, the [Citron-throated Toucan]. The 'ariel' subspecies in east Brazil has a yellow/orange chest/throat and a black bill. The 'culminatus' subspecies in most of the west Amazon has a white chest/throat and all black bill. The 'vitellinus' subspecies in the Guyanas and north Brazil has a yellow stripe on the top of the bill and a mix of white and orange on the chest/throat.