Range map of Fire-bellied Mountain-tanager (Anisognathus igniventris sensu stricto, aka A. i. igniventris)
Adapted from: BirdLife International. 2017. Anisognathus igniventris (amended version of 2016 assessment). The IUCN Red List of Threatened Species 2017: e.T103845767A119446708. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T103845767A119446708.en. Downloaded on 18 August 2021.
Cephas