King Penguin colony (Aptenodytes patagonicus) guarding against a Southern Giant Petrel (Macronectes gigantes) on South Georgia Island, southern Atlantic Ocean.

south georgia island aptenodytes patagonicus penguin king antarctica seabird swimming flightless penguins bird birds seabirds colonies mass crowd crowds group groups defending defensive protecting protection safety petrels teamwork co operation aggression social behaviour mixed species wild wildlife polar