White-bellied Storm Petrel - It is found in Angola, Argentina, Australia, Brazil, Chile, Ecuador, French Polynesia, French Southern Territories, Maldives, Namibia, New Zealand, Saint Helena, South Africa, and South Georgia and the South Sandwich Islands.
Black-bellied Storm Petrel - It is found in Antarctica, Argentina, Australia, Bouvet Island, Brazil, Chile, Falkland Islands, French Polynesia, French Southern Territories, Madagascar, Mozambique, New Zealand, Oman, Peru, Saint Helena, São Tomé and Príncipe, Solomon Islands, South Africa, South Georgia and the South Sandwich Islands, Uruguay, and Vanuatu.