Diet Overlap

Somateria mollissima (Common Eider)
Calidris canutus (Red Knot)

Common Diet

Abra marshalli (Baltic macoma)
Cerastoderma edule (Common cockle)
Littorina littorea (Common periwinkle)
Mytilus edulis (Blue mussel)

Common Habitat

Acadia National Park
Aleutian Islands Biosphere Reserve
ANSE DU FIER D'ARS EN RE
Arctic foothills tundra
Arctic National Wildlife Refuge
Assateague Island National Seashore
Atlantic mixed forests
Baie de Quiberon
Baltic mixed forests
Basses Vallées du Cotentin et Baie des Veys
Bassin d'Arcachon : Banc d'Arguin
Bering tundra
Berwickshire and North Northumberland Coast
Bideford Bay Biosphere Reserve
Biscayne National Park
Caerlaverock National Nature Reserve
Camargue
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd
Carolinian-South Atlantic Biosphere Reserve
Celtic broadleaf forests
Chukchi Peninsula tundra
Cumberland Island National Seashore
Dee Estuary/ Aber Dyfrdwy
DELTA EVROU
DELTA NESTOU KAI LIMNOTHALASSES KERAMOTIS KAI NISOS THASOPOULA
DOÑANA
English Lowlands beech forests
Estuaire et marais de la Basse Seine
Fair Isle
Firth of Tay & Eden Estuary
Foret Domaniale du Circeo
Forillon National Park
Glacier Bay National Park and Preserve
Golfe du Morbihan
Gros Morne National Park
High Arctic tundra
Humber Estuary
Isle of Rum National Nature Reserve
Ivvavik National Park
Kiskunsag Biosphere Reserve
Kouchibouguac National Park
Kronotskiy Biosphere Reserve
Kura kurgu
Lac du Der
Lacs de la forêt d'Orient
Lago di Mezzola e Pian di Spagna
LIMNES VISTONIS, ISMARIS - LIMNOTHALASSES PORTO LAGOS, ALYKI PTELEA, XIROLIMNI, KARATZA
Low Arctic tundra
Mandra - Poda
Marais Breton, baie de Bourgneuf, île de Noirmoutier et forêt de Monts
MARAIS POITEVIN
Marismas de Santoña y Noja
MARISMAS DEL ODIEL
Mediterranean Basin
Mendip Limestone Grasslands
Merenkurkun saaristo
Middle Arctic tundra
Mingan Archipelago National Park Reserve
Minsmere to Walberswick Heaths and Marshes
Mòine Mhór
Moray Firth
Morecambe Bay
Neusiedler See-Osterreichischer Teil
Niagara Escarpment Biosphere Reserve
Noordzeekustzone
North America
North Bull Island
North Norfolk Coast
North Norfolk Coast Biosphere Reserve
North Northumberland Dunes
North-east Greenland National Park
Novosibirsk Islands arctic desert
Ostrov Vrangelya (Wrangel Island) Zapovednik
Po Basin mixed forests
Prince Edward Island National Park
Queen Maud Gulf Bird Sanctuary
Quttinirpaaq (Ellesmere Island) National Park Reserve
Ramsar-Gebiet S-H Wattenmeer und angrenzende Küstengebiete
Reserva de la Biosfera de Urdaibai
Reserve Nationale de Camargue Biosphere Reserve
Rondeau Provincial Park
Ruegen
Saaristomeri
Sacca di Goro, Po di Goro, Valle Dindona, Foce del Po di Volano
Saguenay - St. Lawrence Marine Park
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Sefton Coast
Severn Estuary/ Môr Hafren
Shabla Lake Complex
Sirmilik National Park
Spreewald
St. Kilda National Nature Reserve
The Wash and North Norfolk Coast
Torhamn-Hästholmen
Tulliniemen linnustonsuojelualue
Ukkusiksalik National Park
Unteres Odertal
Urdaibaiko Itsasadarra / Ría de Urdaibai
Väinamere
Virginia Coast Biosphere Reserve
Waddensea of Schleswig-Holstein
Waddenzee
Walker Bay Field Station
Wrangel Island arctic desert

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
2The Diet of the Knot (Calidris canutus) on Rocky Shores of Eastern Scotland in Winter, Ronald W. Summers & Shelagh M. Smith, Ardea 71 (1983): 151-153
3Food 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