Diet Overlap

Melanitta nigra (Black Scoter)
Calidris pusilla (Semipalmated Sandpiper)

Common Diet

Abra marshalli (Baltic macoma)

Common Habitat

Acadia National Park
Aleutian Islands Biosphere Reserve
Algonquin Provincial Park
Arctic National Wildlife Refuge
Assateague Island National Seashore
Beringia lowland tundra
Beringia upland tundra
Biscayne National Park
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Bruce Peninsula National Park
California Coast Ranges Biosphere Reserve
Canaveral National Seashore
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Carolinian-South Atlantic Biosphere Reserve
Central Gulf Coastal Plain Biosphere Reserve
Cumberland Island National Seashore
Curecanti National Recreation Area
Denali Biosphere Reserve
Eastern Canadian Shield taiga
Effigy Mounds National Monument
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Florida Keys National Marine Sanctuary
Forillon National Park
Fort Pulaski National Monument
Fundy National Park
Gates of the Arctic National Park
Gateway National Recreation Area
Glacier Bay National Park and Preserve
Great Smoky Mountains National Park
Gros Morne National Park
Gwaii Haanas National Park Reserve
Indiana Dunes National Lakeshore
Ivvavik National Park
Kejimkujik Seaside Adjunct
Kouchibouguac National Park
Lake Superior Provincial Park
Little St. Simons Island
Long Point Biosphere Reserve
Mingan Archipelago National Park Reserve
Minsmere to Walberswick Heaths and Marshes
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North America
North Norfolk Coast
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
Saint Lawrence Islands National Park
Santa Monica Mountains National Recreation Area
Sevilleta LTER Site
South Atlantic Coastal Plain Biosphere Reserve
Southern Appalachian Biosphere Reserve
Terra Nova National Park
Upper Miss. River Nat'l Wildlife Refuge
Valley Forge National Historical Park
Virginia Coast Biosphere Reserve
Wapusk National Park
Wrangell-St. Elias National Park and Preserve
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.