Diet Overlap

Clangula hyemalis (Oldsquaw)
Callorhinus ursinus (Northern Fur Seal)

Common Diet

Ammodytes hexapterus (Stout sand lance)

Common Habitat

Farallon National Wildlife Refuge
Gwaii Haanas National Park Reserve
Kronotskiy Biosphere Reserve
Mount Arrowsmith
North America
Pacific Rim National Park Reserve
Point Reyes National Seashore

Attributes / relations provided by
1Winter feeding ecology and trophic relationships of Oldsquaws and White-winged Scoters on Kachemak Bay, Alaska, Gerald A. Sanger and Robert D. Jones, Jr., Canadian Wildlife Service, 1984
2Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979