Diet Overlap

Somateria mollissima (Common Eider)
Calidris minutilla (Least Sandpiper)

Common Diet

Mytilus edulis (Blue mussel)

Common Habitat

Acadia National Park
Alaska Maritime National Wildlife Refuge
Aleutian Islands Biosphere Reserve
Arctic National Wildlife Refuge
Assateague Island National Seashore
Biscayne National Park
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
Cumberland Island National Seashore
Eastern Canadian forests
Forillon National Park
Fundy National Park
Gates of the Arctic National Park
Glacier Bay National Park and Preserve
Gros Morne National Park
Ivvavik National Park
Kejimkujik Seaside Adjunct
Kouchibouguac National Park
Low Arctic tundra
Mingan Archipelago National Park Reserve
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North America
Polar Bear Provincial Park
Prince Edward Island National Park
Queen Maud Gulf Bird Sanctuary
Rondeau Provincial Park
Saguenay - St. Lawrence Marine Park
Southern Hudson Bay taiga
Terra Nova National Park
Torngat Mountain tundra
Tuktut Nogait National Park
Ukkusiksalik National Park
Virginia Coast Biosphere Reserve
Walker Bay Field Station
Wapusk National Park

Attributes / relations provided by
♦ 1Energy flow of a boreal intertidal ecosystem, the Sylt-Rømø Bight, Dan Baird, Harald Asmus, Ragnhild Asmus, Mar Ecol Prog Ser 279: 45–61, 2004
♦ 2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.