NOTE: This is an invalidated taxon. It is a 'synonym' for 13531, which has superseded it.
Compare AOU treatments of Oceanodroma socorroensis, in Avibase (1886 to present).
Search for Oceanodroma socorroensis at Cornell Birds of North America.
Annotation: Formerly considered conspecific with Oceanodroma leucorhoa and O. cheimomnestes.