Belgium,Bulgaria,Canada,Cape Verde,Czech Republic,Denmark,Estonia,Finland,France,Germany, Gibraltar,Greenland,Iceland,Ireland,Japan,Latvia,Lithuania,Mauritania,Mexico,Netherlands, North Korea,Norway,Poland,Portugal,Romania,Russia,Spain,Sweden,Switzerland,United Kingdom, United States - Alaska,United States - mainland,Western Sahara,
IOC 13.1 Subspecies
coastal se Canada, sw Greenland, Iceland, Faroe Is., Scotland, s Norway and Baltic Sea
coastal n Norway to Svalbard and Novaya Zemlya (nw Russia)
coastal British Isles, Heligoland (n of Germany), nw France and w Iberian Pen.
coastal Kamchatka, Sakhalin, Kuril and Commander is. (e Russia), s Kuril Is. (n Japan), Teuri I. (nw of Hokkaido; formerly also Hokkaido; n Japan); Aleutian and Bering Sea is. to w Alaska and sw Canada
coastal n Washington to s California (e North Pacific)