…a prominent northern constellation (the Swan), said to represent a flying swan that was the form adopted by Zeus on one occasion. It contains the bright star Deneb…
…a large waterbird with a long flexible neck, short legs, webbed feet, a broad bill, and typically all-white plumage…
…a large migratory swan with a black and yellow bill and a loud trumpeting call, breeding in northern Eurasia and Greenland…
…the commonest Eurasian swan, having white plumage and an orange-red bill with a black knob at the base…
…a mainly black swan with white flight feathers which is common in Australia and Tasmania and has been introduced elsewhere…
…a large migratory swan with a black and yellow bill and a honking call, breeding in northern North America…
…an Arctic-breeding migratory swan with a yellow and black bill, often known by the names of its constituent races (Bewick’s swan and whistling swan)…
…a bird of the Eurasian race of the tundra swan, breeding in Arctic regions of Russia and overwintering in northern Europe and central Asia…
…a bird of the North American race of the tundra swan, breeding in northern Canada and overwintering on the coasts of the US…
