Birds of prey of Antarctica are not numerous. In summer at the continent one species of buzzards and one caracara live. They winter in South America and migrate to Antarctica after flocks of shorebirds, when the coast of continent turns free of ice.
Riverbanks and lake shores are inhabited by ducks of various kinds eating aquatic plants and animals. Some anserine birds use another source of food � vegetative parts of ground plants. The largest herbivore of Antarctica belongs to them � it is Antarctic meadow swan.