This taxon is Not Recognised as a species by BirdLife International.
Passer motitensis, P. rufocinctus and P. insularis (Sibley and Monroe 1990, 1993) have been lumped into P. motitensis following Dowsett and Forbes-Watson (1993).
BirdLife International (2016) Species factsheet: Passer motitensis. Downloaded from http://www.birdlife.org on 03/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 03/12/2016.