This taxon is Not Recognised as a species by BirdLife International.
The BirdLife Taxonomic Working Group have split Serinus canicollis into S. canicollis and S. flavivertex, following Ryan et al. (2004), owing to significant morphological differences between males of the two taxa.
BirdLife International (2016) Species factsheet: Serinus canicollis. Downloaded from http://www.birdlife.org on 06/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 06/12/2016.