Range map of Narrow-billed Antwren (Formicivora iheringi)
Adapted from: BirdLife International. 2016. Formicivora iheringi. The IUCN Red List of Threatened Species 2016: e.T22701592A93838549. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22701592A93838549.en. Downloaded on 27 May 2021.
Cephas