Rivers, ponds, lakes, in migration also seacoasts.
From Greenland, Iceland, Faroe Is., British Isles,
Scandinavia and n continental Europe, rarely s to Netherlands, Germany
and Poland; e
across n Russia incl. Novaya Zemlya, and n,c
Siberia to Kamchatka and Commander Is., s to Lake Baikal, Manchuria, Ussuriland
and Amurland; Crimea, Armenia, Lake Balkash, Altai, Tuva. From n
Alaska, n Yukon,
n Mackenzie, c Keewatin, n Baffin I., Labrador
and Newfoundland s to s,se Alaska incl. Aleutian Is., n British Columbia,
sw,c Saskatchewan, s Manitoba and n U.S. from c Minnesota e to New Jersey,
New England and Nova Scotia.