The Antarctic Bird crossword solutions are SKUA, PENGUIN, PETREL, and Kingpenguin. Skuas are large seabirds that live in the Southern Hemisphere and feed on fish, krill, and other birds. Penguins are flightless birds that live in the Antarctic and feed on krill, squid, and fish. Petrels are small seabirds that live in the Southern Hemisphere and feed on fish, squid, and crustaceans. Kingpenguins are the largest species of PENGUIN and are found on the sub-Antarctic islands and the Antarctic Peninsula.