This taxon is Not Recognised as a species by BirdLife International.
Heteromirafra archeri and H. sidamoensis have been lumped as H. archeri based on morphological, molecular and vocal evidence presented by Spottiswoode et al. (2013).
BirdLife International (2016) Species factsheet: Heteromirafra sidamoensis. Downloaded from http://www.birdlife.org on 04/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 04/12/2016.