Diet Overlap

Somateria mollissima (Common Eider)
Calidris maritima (Purple Sandpiper)

Common Diet

Mytilus edulis (Blue mussel)

Common Habitat

Acadia National Park
ANSE DU FIER D'ARS EN RE
Arctic desert
Atlantic mixed forests
Aulavik National Park
Baie d'Audierne
Baie de Quiberon
Baltic mixed forests
Berwickshire and North Northumberland Coast
Biscayne National Park
Caerlaverock National Nature Reserve
Cap Gris-Nez
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
Celtic broadleaf forests
Chausey
Chukchi Peninsula tundra
Cumberland Island National Seashore
Dee Estuary/ Aber Dyfrdwy
DOÑANA
Eastern Canadian forests
English Lowlands beech forests
Fair Isle
Forillon National Park
Fundy National Park
Gros Morne National Park
Gulf of St. Lawrence lowland forests
High Arctic tundra
Humber Estuary
Iceland boreal birch forests and alpine tundra
Isle of Rum National Nature Reserve
Kola Peninsula tundra
Laplandskiy Biosphere Reserve
LITTORAL SEINO-MARIN
Lochs Duich, Long and Alsh Reefs
Marais Breton, baie de Bourgneuf, île de Noirmoutier et forêt de Monts
Marismas de Santoña y Noja
Mediterranean Basin
Merenkurkun saaristo
Middle Arctic tundra
Mingan Archipelago National Park Reserve
Moray Firth
Neusiedler See-Osterreichischer Teil
New England-Acadian forests
Niagara Escarpment Biosphere Reserve
North America
North Atlantic moist mixed forests
North Bull Island
North Norfolk Coast
North Northumberland Dunes
Northwest Russian-Novaya Zemlya tundra
Prince Edward Island National Park
Quttinirpaaq (Ellesmere Island) National Park Reserve
Reserva de la Biosfera de Urdaibai
Rochers de Biarritz : Le Bouccalot et la Roche ronde
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
Sefton Coast
Seksmiilarin saaristo
Severn Estuary/ Môr Hafren
Sirmilik National Park
South Avalon-Burin oceanic barrens
St. Kilda National Nature Reserve
Tagamõisa
Terra Nova National Park
The Wash and North Norfolk Coast
Tweed Estuary
Ukkusiksalik National Park
Urdaibaiko Itsasadarra / Ría de Urdaibai
Virginia Coast Biosphere Reserve

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
♦ 2R. W. Summers , S. Smith , M. Nicoll & N. K. Atkinson (1990) Tidal and sexual differences in the diet of Purple Sandpipers Calidris maritima in Scotland, Bird Study, 37:3, 187-194