Diet Overlap

Calidris canutus (Red Knot)
Larus argentatus (Herring Gull)

Common Diet

Abra marshalli (Baltic macoma)
Cerastoderma edule (Common cockle)
Littorina littorea (Common periwinkle)

Common Habitat

Acadia National Park
Aleutian Islands Biosphere Reserve
Algonquin Provincial Park
Alto Golfo de California y Delta del Rio Colorado
ANSE DU FIER D'ARS EN RE
Apostle Islands National Lakeshore
Arctic National Wildlife Refuge
Atlantic coastal desert
Atlantic coastal pine barrens
Atlantic mixed forests
Bahamian pine mosaic
Bahamoan-Antillean mangroves
Baie de Quiberon
Baie de Saint-Brieuc - Est
Baie du Mont Saint Michel
Baja California desert
Baltic mixed forests
Basses Vallées du Cotentin et Baie des Veys
Bermuda subtropical conifer forests
Berwickshire and North Northumberland Coast
Bideford Bay Biosphere Reserve
Biscayne National Park
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Boyne Estuary SPA
Bruce Peninsula National Park
Cabrillo National Monument
Caerlaverock National Nature Reserve
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
California montane chaparral and woodlands
Canaveral National Seashore
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Caribbean Islands
Caribbean shrublands
Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd
Carolinian-South Atlantic Biosphere Reserve
Celtic broadleaf forests
Central American Atlantic moist forests
Central American dry forests
Central Gulf Coastal Plain Biosphere Reserve
Changbai Mountains mixed forests
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chukchi Peninsula tundra
Costa Rican seasonal moist forests
Cuban cactus scrub
Cuban dry forests
Cuban moist forests
Cuban pine forests
Cuban wetlands
Cumberland Island National Seashore
Dee Estuary/ Aber Dyfrdwy
Dolna Odra
Eastern Guinean forests
Elkhorn Slough Preserve
English Lowlands beech forests
Enriquillo wetlands
Estuário do Sado
Everglades
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Firth of Tay & Eden Estuary
Florida Keys National Marine Sanctuary
Florida sand pine scrub
Flusslandschaft Elbe Biosphere Reserve
Foret Domaniale du Circeo
Forillon National Park
Fort Matanzas National Monument
Fort Pulaski National Monument
Gateway National Recreation Area
Glacier Bay National Park and Preserve
Golden Gate National Recreation Area
Golfe du Morbihan
Gros Morne National Park
Gulf of California xeric scrub
Hailuoto, pohjoisranta
Hispaniolan dry forests
Hispaniolan moist forests
Hispaniolan pine forests
Hortobágy National Park
Indiana Dunes National Lakeshore
Isle of Rum National Nature Reserve
Isomatala-Maasyvänlahti
Isthmian-Atlantic moist forests
Isthmian-Pacific moist forests
Ivvavik National Park
Jalisco dry forests
Jamaican dry forests
Jamaican moist forests
Japan
Jian Nan subtropical evergreen forests
Khao Sam Roi Yot National Park
Klamath-Siskiyou forests
Kouchibouguac National Park
Kronotskiy Biosphere Reserve
Lac du Der
Lacs de la forêt d'Orient
Lago di Mezzola e Pian di Spagna
Lake Mead National Recreation Area
Lake Superior Provincial Park
Leeward Islands moist forests
Les "Cinq Tailles"
Lesser Antillean dry forests
Little St. Simons Island
Long Point Biosphere Reserve
Lough Foyle SPA
Lough Swilly SPA
Low Arctic tundra
Luzon rain forests
Manchurian mixed forests
Mandra - Poda
MARAIS POITEVIN
MARISMAS DE ISLA CRISTINA
MARISMAS DEL ODIEL
Markiezaatsmeer
Mediterranean acacia-argania dry woodlands and succulent thickets
Mediterranean conifer and mixed forests
Mediterranean woodlands and forests
Mendip Limestone Grasslands
Mesoamerica
Mesoamerican Gulf-Caribbean mangroves
Middle Arctic tundra
Middle Atlantic coastal forests
Mingan Archipelago National Park Reserve
Minsmere to Walberswick Heaths and Marshes
Mississippi lowland forests
Moray Firth
Morecambe Bay
Morrocoy National Park
Neusiedler See-Osterreichischer Teil
Niagara Escarpment Biosphere Reserve
Niederung der Unteren Havel
Nihonkai evergreen forests
Nihonkai montane deciduous forests
North America
North Bull Island
North Bull Island SPA
North Norfolk Coast
North Norfolk Coast Biosphere Reserve
Northeast China Plain deciduous forests
Northeastern coastal forests
Northern California coastal forests
Northern Karelian
Northern Mesoamerican Pacific mangroves
Novosibirsk Islands arctic desert
NSG Urmitzer Werth
Ojakylänlahti ja Kengänkari
Olympic Biosphere Reserve
Ostrov Vrangelya (Wrangel Island) Zapovednik
Pacific Rim National Park Reserve
Padre Island National Seashore
Palava Protected Landscape Area
Panamanian dry forests
Pantanos de Centla
Paul do Boquilobo Biosphere Reserve
Petén-Veracruz moist forests
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Prince Edward Island National Park
Puerto Rican dry forests
Puerto Rican moist forests
Pukaskwa National Park
Queen Maud Gulf Bird Sanctuary
Ramsar-Gebiet S-H Wattenmeer und angrenzende Küstengebiete
Redberry Lake Biosphere Reserve
Redwood National Park
Reserva de la Biosfera de Urdaibai
Reserva de la Biosfera El Vizcaino
Reserve de la Biosphere d'Iroise
Reserve Nationale de Camargue Biosphere Reserve
Rietzer See
River Nanny Estuary and Shore SPA
Rondeau Provincial Park
Ruegen
Saguenay - St. Lawrence Marine Park
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Salt Plains National Wildlife Refuge
San Lucan xeric scrub
Sandymount Strand/Tolka Estuary SPA
Santa Monica Mountains National Recreation Area
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Sefton Coast
Severn Estuary/ Môr Hafren
Shabla Lake Complex
Sierra de la Laguna dry forests
Sierra de los Tuxtlas
Sierra Nevada de Santa Marta (incl. Tayrona NP)
Siikajoen lintuvedet ja suot
Sikhote-Alinskiy Biosphere Reserve
Sinaloan dry forests
Socotra Archipelago Biosphere Reserve
Sonoran desert
South American Pacific mangroves
South Atlantic Coastal Plain Biosphere Reserve
South China-Vietnam subtropical evergreen forests
South Florida rocklands
Southeastern conifer forests
Southeastern mixed forests
Southern Mesoamerican Pacific mangroves
Southern Pacific dry forests
Spreewald
St. Kilda National Nature Reserve
Taiheiyo evergreen forests
Taiheiyo montane deciduous forests
Taimyr-Central Siberian tundra
Taimyrsky Biosphere Reserve
Tamaulipan mezquital
Tawas Point State Park
Ujscie Wisly
Ukkusiksalik National Park
Unteres Odertal
Urdaibaiko Itsasadarra / Ría de Urdaibai
Val d'Allier Bourbonnais
Vallée de la Loire de Iguerande à Decize
Variconi
Veracruz dry forests
Veracruz moist forests
Virginia Coast Biosphere Reserve
Waddensea of Schleswig-Holstein
Walker Bay Field Station
West Sudanian savanna
Western Guinean lowland forests
Western Gulf Coastal grasslands
Windward Islands moist forests
Winisk River Provincial Park
Wood Buffalo National Park
Yellowstone Biosphere Reserve
Yucatán dry forests
Yucatán moist forests

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