Antarctica is home to a variety of birds, including the PENGUIN (7 letters), SKUA (4 letters), Adelie (6 letters), SEAL (4 letters), Erebus (6 letters) and Ross (4 letters). Penguins are the most well-known of these birds, and are flightless aquatic birds that live in large colonies. Skuas are predatory seabirds that feed on fish, krill, and other small animals. Adelie penguins are one of the most common species of PENGUIN found in Antarctica. Seals are semi-aquatic mammals that live in the Antarctic waters and feed on fish and krill. The Erebus is a species of petrel, a type of seabird, and the Ross is a species of albatross.