Order: Procellariiformes (2023 update)
Family: Oceanitidae - Southern Storm-Petrels

Wilson's Storm-Petrel (Wilson's)Oceanites oceanicus oceanicus/exasperatus
Oceanites oceanicus oceanicusBreeds Subantarctic islands from Cape Horn to Kerguelen Islands; migrates north to pelagic waters of Northern Hemisphere
Oceanites oceanicus exasperatusBreeds South Shetland Is., South Sandwich Is. and adj. Antarctic coast; migrates north to pelagic waters of Northern Hemisphere
Wilson's Storm-Petrel (Fuegian)Oceanites oceanicus chilensisRange incompletely known. Breeds Tierra del Fuego; ranges north to Peru
Pincoya Storm-PetrelOceanites pincoyaeKnown only from waters near Chiloé Island (Reloncavi Sound and the Chacao Channel), Chile
Elliot's Storm-PetrelOceanites gracilis
Oceanites gracilis galapagoensisGalapagos Islands (breeding grounds unknown)
Oceanites gracilis gracilisCoast of Ecuador to Chile (breeding grounds unknown)
Gray-backed Storm-PetrelGarrodia nereisCircumpolar subantarctic waters, north to about 35°S
White-faced Storm-PetrelPelagodroma marina
Pelagodroma marina hypoleucaSalvage I. (North Atlantic Ocean)
Pelagodroma marina eadesorumCape Verde Islands
Pelagodroma marina marinaTristan da Cunha and Gough islands
Pelagodroma marina dulciaeBreeds islands off s Australia and Tasmania
Pelagodroma marina maorianaStewart, Auckland, Chatham and islands off New Zealand
Pelagodroma marina albiclunisKermadec Islands
White-bellied Storm-Petrel (White-bellied)Fregetta grallaria [grallaria Group]
Fregetta grallaria leucogasterTristan da Cunha, Gough, Amsterdam and St. Paul islands
Fregetta grallaria grallariaLord Howe and Kermadec islands
Fregetta grallaria segethiJuan Fernández Islands (off Chile)
White-bellied Storm-Petrel (Rapa I.)Fregetta grallaria titanRapa I. (Austral Islands)
New Zealand Storm-PetrelFregetta maorianaNew Zealand (Little Barrier I.)
New Caledonian Storm-PetrelFregetta lineataDistribution poorly known. Breeds New Caledonia; reported at sea from the Coral Sea (breeding season foraging area?) east to Samoa and the Marquesas Islands (nonbreeding range?)
Black-bellied Storm-Petrel (Subantarctic)Fregetta tropica tropicaSubantarctic circumpolar islands; ranges north to tropics
Black-bellied Storm-Petrel (Gough)Fregetta tropica melanoleucaTristan da Cunha and Gough islands
Polynesian Storm-PetrelNesofregetta fuliginosaTropical central and w Pacific Ocean