relatively common
native
Harlequin Duck
Taxonomy conform IOC World Bird List
Distribution
- Breeding range => North America, Palearctic : ne Siberia, Chukotka, Kamchatka, and Sakhalin pens., Kuril Is., Hokkaido and n Honshu (c Japan); Aleutian Is., Alaska, w Canada, Pacific Northwest and n Rocky Mt. states; ne Canada, s Greenland and Iceland
- Nonbreeding range => to wc, ec North Pacific and wc North Atlantic coasts
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