What animals are only found in Antarctica?

Emperor penguin, Adélie penguin, chinstrap penguin, gentoo penguin, macaroni penguin, southern royal albatross, wandering albatross, grey-headed albatross, black-browed albatross, light-mantled albatross, southern giant petrel, northern giant petrel, Cape petrel, snow petrel, Antarctic petrel, south polar skua, brown skua, Antarctic tern, Arctic tern, Weddell seal, crabeater seal, leopard seal, Ross seal, fur seal, elephant seal, blue whale, fin whale, humpback whale, killer whale, southern right whale.