_Breeding range._--In the Old World the purple sandpiper breeds in the Arctic regions from Iceland, Norway, and Spitsbergen east to Nova Zembla and the Taimyr Peninsula. In North America the breeding range extends north to Franklin (Igloolik); and Greenland (Hare Island, and Shannon Islands). East to Greenland (Shannon Islands and Ivimiut). South to Greenland (Ivimiut and Ivigtut); and Franklin (southern Baffin Island, Cumberland Sound, and Winter Island). West to Franklin (Winter Island and Igloolik). It has been detected in summer still farther north; Franklin (Mercy Bay, Fury Point, Boothia Felix, and Possession Bay); and Greenland (Bowdoin Bay, Thank God Harbor, North Star Bay, and Fort Conger). _Winter range._--The purple sandpiper winters farther north than any other shore bird. North and east to southern Greenland (Ivigtut); eastern Nova Scotia (St. Peter's Island); Massachusetts (Rockport, Westport, and Boston); Rhode Island (Cormorant Rock); Connecticut (Saybrook and Faulkner Island); and rarely New York (Gull Island, Montauk, and Amityville). South to New York (Amityville). West to New York (Amityville); Connecticut (New Haven); Maine (Cumberland County, Matinicus Island, and Washington County); New Brunswick (Grand Manan and the Bay of Fundy); Prince Edward Island; and southern Greenland (Ivigtut). _Spring migration._--Early dates of spring arrival are: Franklin, Annanactook, June 4, Winter Island, June 10, Cambridge Bay, June 10, and Igloolik, June 14; Greenland, about 72° north latitude, May 29; and Baffin Island, Cape Dorset, May 30. Late dates of spring departure are: New York, Sag Harbor, April 18, and Long Beach, May 4, Rhode Island, Sachuest Point, May 15; Massachusetts, Dennis, May 5; and Quebec, Prince of Wales Sound, May 27, Quatachoo, May 29, and Mingan Islands, May 29. _Fall migration._--Early dates of fall arrival are Quebec, Bras d'Or, August 4; New Brunswick, Grand Manan, August 13; Ontario, Toronto, October 27, Ottawa, October 29, and Hamilton, October 31; Maine, Metinic Green Island, August 6, Saddleback Ledge, August 19; Massachusetts, Cape Cod, September 6, Chatham, September 8, and Nahant, October 13; Rhode Island, Sachuest Point, September 13; and New York, Montauk, November 1, Orient, November 1, and Long Beach, November 2. Late dates of fall departure are: Greenland, Possession Bay, September 1, and Thank God Harbor, September 3; Mackenzie, Great Bear Lake, September 16; and Franklin, Wellington Channel, August 28, Kingwah Fjord, September 6, Cumberland Gulf, September 13, and Pangnirtung Fjord, October 21.