Range map of White-tailed Canastero (Asthenes usheri)
Adapted from: BirdLife International. 2016. Asthenes usheri. The IUCN Red List of Threatened Species 2016: e.T22724718A104057562. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22724718A104057562.en. Downloaded on 20 February 2021.
Cephas