<P> It is partially migratory throughout northern latitudes in Europe and Asia , as far south as north Africa and the Mediterranean . It is known and recorded to have nested in Iceland and is a vagrant to that area , as well as to Bermuda , according to the UN Environment Programme chart of international status chart of bird species , which places it in 70 countries , breeding in 49 countries , and vagrant in 16 countries . While most of the current population in Japan is introduced , mute swans are depicted on scrolls more than a thousand years old , and wild birds from the mainland Asian population still occur rarely in winter . Natural migrants to Japan usually occur along with whooper and sometimes Bewick 's swans . </P>
where do mute swans go in the winter
as far south as north Africa and the Mediterranean