This taxon is Not Recognised as a species by BirdLife International.
Haematopus ostralegus (del Hoyo and Collar 2014) was previously split as H. ostralegus and H. finschi following Sibley and Monroe (1990, 1993).
BirdLife International (2020) Species factsheet: Haematopus ostralegus. Downloaded from http://www.birdlife.org on 28/03/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 28/03/2020.