Stock Photo - Antarctic fur seal pup Arctocephalus gazella near the abandoned whaling station at Stromness Bay on South Georgia, Southern Ocean MORE INFO Around 95 of the world population breeds at the Island of South Georgia, but this species is slowly returning to the Antarctic Peninsula after being hunted to extinction in much of its former range Due to the enormous and growing populations of these seals, their food is a significant proportion of South Georgia´s krill stocks There may be as many as four million individuals breeding at South Georgia The concentrations at South Georgia are the densest aggregations of marine mammals on earth Some researchers believe these populations have grown to such levels because the removal of whales by the intensive whaling of the 20th century left a surplus of krill