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In the Americas, the species winters on coastlines from Washington and Massachusetts southwards to the southern tip of South America although it is scarce in southern parts of Chile and Argentina and is only an unconfirmed vagrant in the Falkland Islands.
In Europe it winters in western regions from Iceland, Norway and Denmark southwards.
Only small numbers are found on Mediterranean coasts.
In Africa it is common all the way down to South Africa with good numbers on many offshore islands.
In Asia it is widespread in the south with birds wintering as far north as southern China and Japan ( mainly in the Ryukyu Islands ).
It occurs south to Tasmania and New Zealand and is present on many Pacific islands.
Some non-breeding birds remain year round in many parts of the wintering range, with some of those birds still taking on breeding plumage in the spring and summer.

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