Before revision: Macaroni Penguin (Eudyptes chrysolophus) Muskox (Ovibos moschatus) Narwhal (Monodon Monoceros) Orca (Orcinus orca) Polar Bear (Ursus maritimus) Ross Seal (Ommatophoca rossii) Southern Elephant Seal (Mirounga leonina) Steller Sea Lion (Eumetopias jubatus) Walrus (Odobenus rosmarus) Weddell Seal (Leptonychotes weddellii) Woolly Mammoth † (Mammuthus primigenius) Woolly Rhinoceros † (Coelodonta antiquitatis) Seashore Megafauna American White Pelican (Pelecanus erythrorhynchos) Brown Pelican (Pelecanus occidentalis) Great White Pelican (Pelecanus onocrotalus) Great albatross (Diomedea exulans) Green sea turtle (Chelone mydas) Loggerhead Sea Turtle (Caretta caretta) Image:091201_south_georgia_3671_(4172629015).jpg| Elephant seal is pairing seashore largest marine mammals landed.
After revision: Macaroni Penguin (Eudyptes chrysolophus) Muskox (Ovibos moschatus) Narwhal (Monodon Monoceros) Orca (Orcinus orca) Polar Bear (Ursus maritimus) Ross Seal (Ommatophoca rossii) Southern Elephant Seal (Mirounga leonina) Steller Sea Lion (Eumetopias jubatus) Walrus (Odobenus rosmarus) Weddell Seal (Leptonychotes weddellii) Woolly Mammoth † (Mammuthus primigenius) Woolly Rhinoceros † (Coelodonta antiquitatis) Seashore Megafauna American White Pelican (Pelecanus erythrorhynchos) Brown Pelican (Pelecanus occidentalis) Great White Pelican (Pelecanus onocrotalus) Great albatross (Diomedea exulans) Green sea turtle (Chelone mydas) Loggerhead Sea Turtle (Caretta caretta) Elephant seal is pairing seashore largest marine mammals landed.