Diet Overlap

Larus argentatus (Herring Gull)
Rissa tridactyla (Black-legged Kittiwake)

Common Diet

Mallotus villosus (Capelin)
Strongylocentrotus droebachiensis (Green sea urchin)

Common Habitat

Acadia National Park
Alaska Maritime National Wildlife Refuge
Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
Aleutian Islands Biosphere Reserve
Aleutian Islands tundra
Anda
Arctic National Wildlife Refuge
Atlantic mixed forests
Baffin coastal tundra
Baie de Vilaine
Barguzinskiy Biosphere Reserve
Beringia lowland tundra
Beringia upland tundra
Bermuda subtropical conifer forests
Berwickshire and North Northumberland Coast
Cabrillo National Monument
Caerlaverock National Nature Reserve
California Coast Ranges Biosphere Reserve
California Floristic Province
Camaret
Canaveral National Seashore
Cap Sizun
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
Channel Islands National Marine Sanctuary
Channel Islands National Park
Cherskii-Kolyma mountain tundra
Chukchi Peninsula tundra
Clare Island SPA
Cliffs of Moher SPA
Cook Inlet taiga
Cumberland Island National Seashore
Davis Highlands tundra
Dee Estuary/ Aber Dyfrdwy
Dungeness
East Siberian taiga
Eastern Canadian forests
Eastern Mediterranean conifer-sclerophyllous-broadleaf forests
Elkhorn Slough Preserve
English Lowlands beech forests
Estuaire de la Loire - Baie de Bourgneuf
Falaise du Bessin Occidental
Farallon National Wildlife Refuge
Firth of Lorn
Flamborough Head
Florida Keys National Marine Sanctuary
Forillon National Park
Gateway National Recreation Area
Glacier Bay National Park and Preserve
Gros Morne National Park
Gwaii Haanas National Park Reserve
Helvick Head to Ballyquin SPA
Hokkaido deciduous forests
Hokkaido montane conifer forests
Horn Head to Fanad Head SPA
Hortobágy National Park
Iceland boreal birch forests and alpine tundra
Ilhas Berlengas
Indiana Dunes National Lakeshore
Isle of Rum National Nature Reserve
Isles of Scilly Complex
Iveragh Peninsula SPA
Ivvavik National Park
Japan
Kouchibouguac National Park
Kronotskiy Biosphere Reserve
Lac du Der
Lacs de la forêt d'Orient
Lake Torne Area
Lambay Island SPA
Limestone Coast of South West Wales/ Arfordir Calchfaen de Orllewin Cymru
LITTORAL AUGERON
LITTORAL SEINO-MARIN
Long Point Biosphere Reserve
Low Arctic tundra
Manchurian mixed forests
MARISMAS DEL ODIEL
Mediterranean dry woodlands and steppe
Mediterranean woodlands and forests
Middle Arctic tundra
Mingan Archipelago National Park Reserve
Mor Braz
Moray Firth
Neusiedler See-Osterreichischer Teil
New England-Acadian forests
Newfoundland Highland forests
Niagara Escarpment Biosphere Reserve
Nihonkai evergreen forests
Nihonkai montane deciduous forests
North America
North Atlantic moist mixed forests
North Bull Island
North Norfolk Coast
North Norfolk Coast Biosphere Reserve
Northeast China Plain deciduous forests
Northeast Siberian taiga
Northwest Russian-Novaya Zemlya tundra
Novosibirsk Islands arctic desert
Old Head of Kinsale SPA
Olympic Biosphere Reserve
Ostrov Vrangelya (Wrangel Island) Zapovednik
Ouessant-Molène
Pacific Coastal Mountain icefields and tundra
Pacific Rim National Park Reserve
Padre Island National Seashore
Palava Protected Landscape Area
Pechoro-Ilychskiy Biosphere Reserve
Pembrokeshire Marine/ Sir Benfro Forol
PERTUIS CHARENTAIS - ROCHEBONNE
Point Reyes National Seashore
Puffin Island SPA
Red Sea Nubo-Sindian tropical desert and semi-desert
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
Rondeau Provincial Park
Ropotamo Complex
Saguenay - St. Lawrence Marine Park
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Scandinavian coastal conifer forests
Secteur marin de l'île d'Yeu jusqu'au continent
Sefton Coast
Severn Estuary/ Môr Hafren
Sevilleta LTER Site
Sikhote-Alinskiy Biosphere Reserve
Sleeping Bear Dunes National Lakeshore
Sokhondinskiy Biosphere Reserve
South Avalon-Burin oceanic barrens
Southern Korea evergreen forests
SPA Östliche Deutsche Bucht
St Kilda
St. Kilda National Nature Reserve
Stags of Broad Haven SPA
Taiheiyo evergreen forests
Taiheiyo montane deciduous forests
Terra Nova National Park
Tête de Canyon du Cap Ferret
The Bull and The Cow Rocks SPA
Torngat Mountain tundra
Tory Island SPA
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ukkusiksalik National Park
Urdaibaiko Itsasadarra / Ría de Urdaibai
Virginia Coast Biosphere Reserve
Waddensea of Lower Saxony
West Donegal Coast SPA
Y Fenai a Bae Conwy/ Menai Strait and Conwy Bay

Attributes / relations provided by
1The role of capelin (Mallotus villosus) in the foodweb of the Barents Sea, A. V. Dolgov, ICES Journal of Marine Science, 59: 1034–1045. 2002
2An estimate of summer food consumption of six seabird species in Iceland, K. Lilliendahl and J. Solmundsson, ICES Journal of Marine Science, 54: 624–630. 1997
3Foods and predators of the green sea urchin Strongylocentrotus droebachiensis in Newfoundland waters, J. H. HIMMELMAN and D. H. STEELE, Marine Biology 9, 315-322 (1971)