The emperor penguin is the largest and heaviest of all living penguin species, and can withstand the coldest temperatures of any bird. It breeds exclusively on Antarctic ice and feeds on fish, squid, and krill
The wandering albatross is a large seabird that has the longest wingspan of any living bird. It spends most of its life flying over the Southern Ocean, feeding on fish, squid, and crustaceans, and breeds on remote subantarctic islands
The leopard seal is the second largest species of seal in the Antarctic, and one of the most formidable predators. It feeds on a variety of prey, including fish, penguins, and other seals, and can be found on the coast and ice floes of Antarctica
The Antarctic krill is a small crustacean that forms massive swarms in the Southern Ocean, and is a key component of the Antarctic food web. It feeds on phytoplankton and zooplankton, and is preyed upon by whales, seals, penguins, and fish
The crabeater seal is the most abundant seal species in the world, and lives on the pack ice of Antarctica. Despite its name, it does not feed on crabs, but mainly on Antarctic krill, using its specialized teeth to sieve them from the water