Population
Estimated population is unknown (2010).
Status LC
Habitat loss through conversion to agriculture, road contruction and massive logging operations, are the main threats.
For more information see BirdLife International Species Factsheet.
Universidad de Ibagu\u00e9 - Rednatur - Colciencias. (Andigena nigrirostris) [XC412748]
by Yair Guillermo Molina Mart\u00ednez. from BioAndina Reserve, Guasca, Cundinamarca, Colombia (song)
Black-billed Mountain Toucan (Andigena) [XC51283]
by Bernabe Lopez-Lanus from Hacienda Las Cruces, area La Ceja-Toche, Mpio Ibague, Tolima, Colombia (call, song)
Subspecies
Rather distinct from other Andigena species. Subspecies intergrade where they meet.
The following 3 subspecies are recognised:
nigrirostris (Waterhouse, 1839) - Andes of western Venezuela and eastern Andean slopes in Colombia.
occidentalis Chapman, 1915 - Western Andes of Colombia.
spilorhynchus Gould, 1858 - Central Andes and western slope of eastern Andes in southern Colombia, and eastern slope in Ecuador; recently collected in extreme northern Peru (Cerro Chinguela).