Diet Overlap

Melanitta nigra (Black Scoter)
Limnodromus griseus (Short-billed Dowitcher)

Common Diet

Mytilus edulis (Blue mussel)

Common Habitat

Acadia National Park
Alaska-St. Elias Range tundra
Aleutian Islands Biosphere Reserve
Algonquin Provincial Park
Assateague Island National Seashore
Biscayne National Park
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Bruce Peninsula National Park
Cabrillo National Monument
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
Canaveral National Seashore
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Carolinian-South Atlantic Biosphere Reserve
Central Gulf Coastal Plain Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Cumberland Island National Seashore
Eastern Canadian Shield taiga
Effigy Mounds National Monument
Elkhorn Slough Preserve
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Florida Keys National Marine Sanctuary
Forillon National Park
Fort Pulaski National Monument
Fundy National Park
Gateway National Recreation Area
Glacier Bay National Park and Preserve
Golden Gate National Recreation Area
Gros Morne National Park
Gwaii Haanas National Park Reserve
Kejimkujik Seaside Adjunct
Kouchibouguac National Park
Little St. Simons Island
Long Point Biosphere Reserve
Mingan Archipelago National Park Reserve
Mount Arrowsmith
Niagara Escarpment Biosphere Reserve
North America
Olympic Biosphere Reserve
Pacific Coastal Mountain icefields and tundra
Pacific Rim National Park Reserve
Padre Island National Seashore
Pictured Rocks National Lakeshore
Point Pelee National Park
Point Reyes National Seashore
Polar Bear Provincial Park
Prince Edward Island National Park
Pukaskwa National Park
Redwood National Park
Riding Mountain Biosphere Reserve
Rondeau Provincial Park
Saguenay - St. Lawrence Marine Park
San Juan Island National Historical Park
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Sevilleta LTER Site
South Atlantic Coastal Plain Biosphere Reserve
Terra Nova National Park
Upper Miss. River Nat'l Wildlife Refuge
Virginia Coast Biosphere Reserve
Wapusk National Park
Yellowstone Biosphere Reserve

Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 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