Diet Overlap

Bucephala islandica (Barrow's Goldeneye)
Haematopus bachmani (Black Oystercatcher)

Common Diet

Mytilus edulis (Blue mussel)

Common Habitat

Alaska Maritime National Wildlife Refuge
Aleutian Islands Biosphere Reserve
British Columbia mainland coastal forests
California Coast Ranges Biosphere Reserve
Cook Inlet taiga
Elkhorn Slough Preserve
Glacier Bay National Park and Preserve
Gwaii Haanas National Park Reserve
Mount Arrowsmith
North America
Northern Pacific coastal forests
Olympic Biosphere Reserve
Pacific Rim National Park Reserve
Point Reyes National Seashore
Queen Charlotte Islands
Redwood National Park

Attributes / relations provided by
1Winter food habits of Barrow's Goldeneyes in southeast Alaska, Philip S. Koehl, Thomas C. Rothe, and Dirk V. Derkson, 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