Diet Overlap

Clangula hyemalis (Oldsquaw)
Somateria mollissima (Common Eider)

Common Diet

Mytilus edulis (Blue mussel)

Common Habitat

Acadia National Park
Alaska Maritime National Wildlife Refuge
Aleutian Islands Biosphere Reserve
Alps conifer and mixed forests
Arctic coastal tundra
Arctic desert
Arctic foothills tundra
Arctic National Wildlife Refuge
Assateague Island National Seashore
Atlantic mixed forests
Aulavik National Park
Auyuittuq National Park
Baffin coastal tundra
Baie d'Audierne
Baie de Vilaine
Baltic mixed forests
Bering tundra
Beringia lowland tundra
Beringia upland tundra
Bideford Bay Biosphere Reserve
Caerlaverock National Nature Reserve
Camargue
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd
Carolinian-South Atlantic Biosphere Reserve
Caucasus
Celtic broadleaf forests
Chukchi Peninsula tundra
Davis Highlands tundra
Dee Estuary/ Aber Dyfrdwy
DELTA EVROU
DELTA NESTOU KAI LIMNOTHALASSES KERAMOTIS KAI NISOS THASOPOULA
DOÑANA
Eastern Canadian Shield taiga
Eckernförder Bucht mit Flachgründen
English Lowlands beech forests
Europe & Northern Asia (excluding China)
Fehmarnbelt
Flensburger Förde
Foce dell'Isonzo - Isola della Cona
Foret Domaniale du Circeo
Forêts et étangs d'Argonne et vallée de l'Ornain
Forillon National Park
Fundy National Park
Glacier Bay National Park and Preserve
Gros Morne National Park
High Arctic tundra
Hoburgs bank
Iceland boreal birch forests and alpine tundra
Isle of Rum National Nature Reserve
Ivvavik National Park
Kadetrinne
Kahtla-Kübassaare
Kejimkujik Seaside Adjunct
Kirkkonummen saaristo (SPA)
Kiskunsag Biosphere Reserve
Kola Peninsula tundra
Kouchibouguac National Park
Kronotskiy Biosphere Reserve
Kura kurgu
Lago di Mezzola e Pian di Spagna
Laplandskiy Biosphere Reserve
LIMNES VISTONIS, ISMARIS - LIMNOTHALASSES PORTO LAGOS, ALYKI PTELEA, XIROLIMNI, KARATZA
Low Arctic tundra
Mandra - Poda
Middle Arctic tundra
Mingan Archipelago National Park Reserve
Minsmere to Walberswick Heaths and Marshes
Moray Firth
Neusiedler See-Osterreichischer Teil
Niagara Escarpment Biosphere Reserve
North America
North Atlantic moist mixed forests
North Bull Island
North Norfolk Coast
North Norfolk Coast Biosphere Reserve
North Northumberland Dunes
North-east Greenland National Park
Northeast Siberian coastal tundra
Northwest Russian-Novaya Zemlya tundra
Nõva-Osmussaare
Novosibirsk Islands arctic desert
Östliche Kieler Bucht
Ostrov Vrangelya (Wrangel Island) Zapovednik
Ostsee östlich Wagrien
Pakri
Paljassaare
Pärnu lahe
Po Basin mixed forests
Polar Bear Provincial Park
Pomorie Lake
Prince Edward Island National Park
Puszcza Kampinoska
Queen Maud Gulf Bird Sanctuary
Quttinirpaaq (Ellesmere Island) National Park Reserve
Reserve Nationale de Camargue Biosphere Reserve
Rondeau Provincial Park
Saaristomeri
Saguenay - St. Lawrence Marine Park
Sarmatic mixed forests
Scandinavian and Russian taiga
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Schorfheide-Chorin
Sefton Coast
Shabla Lake Complex
Siiksaare-Oessaare
Sirmilik National Park
Southern Hudson Bay taiga
SPA Pommersche Bucht
Spreewald
Srebarna
Sydfynske Øhav
Tagamõisa
Terra Nova National Park
Torngat Mountain tundra
Tuktut Nogait National Park
Tulliniemen linnustonsuojelualue
Tweed Estuary
Ukkusiksalik National Park
Unteres Odertal
Urdaibaiko Itsasadarra / Ría de Urdaibai
Utklippan
Väinamere
Virginia Coast Biosphere Reserve
Walker Bay Field Station
Wapusk National Park
Western European broadleaf forests
Wolin i Uznam
Wrangel Island arctic desert

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
2Energy flow of a boreal intertidal ecosystem, the Sylt-Rømø Bight, Dan Baird, Harald Asmus, Ragnhild Asmus, Mar Ecol Prog Ser 279: 45–61, 2004