Both species are restricted to the Southern Hemisphere, and though their distributions overlap greatly with both species breeding on the Prince Edward Islands, Crozet Islands, Kerguelen Islands, Macquarie Island and South Georgia, many Southern Giant Petrel nest further south, with colonies as far south as Antarctica.
The Prince Edward Islands Act, 1948 (Act No. 43 of 1948) is an act of the Parliament of South Africa that annexed the Prince Edward Islands to the Union of South Africa (as it then was).
This albatross nests on islands in the southern Atlantic Ocean (Gough Island and the Tristan da Cunha group) and Indian Ocean (Prince Edward Island, Marion Island, the Crozet Islands, Amsterdam Island, and Kerguelen Islands).
Breeding grounds are also found at Marion Island in the Prince Edward Islands (where there is an overlap with Antarctic fur seals), Crozet Islands and the Macquarie Island.
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The species grows on the Heard Island and McDonald, Crozet, Prince Edward and Kerguelen Islands.
In the Prince Edward Islands, Anasterias rupicola is the dominant invertebrate predator but it is itself sometimes eaten by sea birds such as the lesser sheathbill (Chionis minor) and the kelp gull (Larus dominicanus).