Diet Overlap

Gavia immer (Great Northern Loon)
Gavia stellata (Red-throated Loon)

Common Diet

Gadus morhua (rock cod)

Common Habitat

Acadia National Park
Aiguamolls de l'Alt Empordà
Alaska Maritime National Wildlife Refuge
Alaska Peninsula montane taiga
Aleutian Islands Biosphere Reserve
Aleutian Islands tundra
ANSE DU FIER D'ARS EN RE
Apostle Islands National Lakeshore
Archipel de Glénan
Arctic coastal tundra
Arctic desert
Arctic National Wildlife Refuge
Assateague Island National Seashore
Atlantic mixed forests
Auyuittuq National Park
Baie d'Audierne
Baie de Saint-Brieuc - Est
Baie de Vilaine
Baltic mixed forests
Bassin d'Arcachon : Banc d'Arguin
Beringia lowland tundra
Beringia upland tundra
Berwickshire and North Northumberland Coast
Bialowieza National Park
Bideford Bay Biosphere Reserve
Blackbeard Island National Wildlife Refuge
Blacksod Bay/Broadhaven SPA
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Boschi del Ticino
Bruce Peninsula National Park
Cabo Busto-Luanco
Cabrillo National Monument
California Coast Ranges Biosphere Reserve
Camargue
Canaveral National Seashore
Cantabrian mixed forests
Cap Gris-Nez
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Carolinian-South Atlantic Biosphere Reserve
Castlemaine Harbour SPA
Celtic broadleaf forests
Central Gulf Coastal Plain Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chiemseegebiet mit Alz
Cumberland Island National Seashore
Davis Highlands tundra
Dee Estuary/ Aber Dyfrdwy
Delta de l'Ebre
Denali Biosphere Reserve
DOÑANA
Donegal Bay SPA
Dornoch Firth and Morrich More
Dundalk Bay SPA
Eastern Canadian forests
Eastern Canadian Shield taiga
Elkhorn Slough Preserve
English Lowlands beech forests
Estuaire de la Bidassoa et baie de Fontarabie
Estuaire de la Loire - Baie de Bourgneuf
Estuaire et marais de la Basse Seine
Farallon National Wildlife Refuge
Faroe Islands boreal grasslands
Fathom Five National Marine Park
Florida Keys National Marine Sanctuary
Foce dell'Isonzo - Isola della Cona
Forillon National Park
Fort Matanzas National Monument
Fort Pulaski National Monument
Fundy National Park
Gates of the Arctic National Park
Gateway National Recreation Area
Georgian Bay Islands National Park
Glacier Bay National Park and Preserve
Golden Gate National Recreation Area
Gwaii Haanas National Park Reserve
High Arctic tundra
Iceland boreal birch forests and alpine tundra
Indiana Dunes National Lakeshore
Inner Galway Bay SPA
Interior Alaska-Yukon lowland taiga
Isle of Rum National Nature Reserve
Isle Royale Biosphere Reserve
Ivvavik National Park
Kejimkujik Seaside Adjunct
Kluane National Park and Reserve
Konstanzer Bucht des Bodensees
Kouchibouguac National Park
Krkonose
La Durance
LAC DE MADINE ET ETANGS DE PANNES
Lac du Der
Lacs de la forêt d'Orient
Lago di Mezzola e Pian di Spagna
Laguna di Marano e Grado
Lake Chelan National Recreation Area
Lake Mead National Recreation Area
Lake Superior Provincial Park
Lanphere-Christensen Dunes Preserve
Litoral del Baix Empordà
Little St. Simons Island
LITTORAL SEINO-MARIN
Low Arctic tundra
Marais Breton, baie de Bourgneuf, île de Noirmoutier et forêt de Monts
Marais du Mès, baie et dunes de Pont-Mahé, étang du Pont de Fer, île Dumet
MARAIS POITEVIN
Marais salants de Guérande, traicts du Croisic, dunes de Pen Bron
Mediterranean Basin
Middle Arctic tundra
Mingan Archipelago National Park Reserve
Mojave and Colorado Deserts Biosphere Reserve
Mor Braz
Moray Firth
Mount Arrowsmith
Muskwa-Slave Lake forests
Nahanni National Park Reserve
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North America
North Atlantic moist mixed forests
North Bull Island
North Norfolk Coast
North-east Greenland National Park
Northeastern Spain and Southern France Mediterranean forests
Northern Canadian Shield taiga
Northern Pacific coastal forests
Northwest Russian-Novaya Zemlya tundra
Northwest Territories taiga
Olympic Biosphere Reserve
Ouessant-Molène
Pacific Rim National Park Reserve
Padre Island National Seashore
Parco Nazionale del Circeo
Penarronda-Barayo
PERTUIS CHARENTAIS - ROCHEBONNE
Philip L. Boyd Deep Canyon Desert Research Center
Point Reyes National Seashore
Polar Bear Provincial Park
Prince Edward Island National Park
Pukaskwa National Park
Rade de Brest : Baie de Daoulas, Anse de Poulmic
Redwood National Park
Reserva de la Biosfera de Urdaibai
Reserve de la Biosphere d'Iroise
Reserve Nationale de Camargue Biosphere Reserve
Ría de Villaviciosa
River Spey
Rochers de Biarritz : Le Bouccalot et la Roche ronde
Rondeau Provincial Park
Rum
Saguenay - St. Lawrence Marine Park
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Secteur marin de l'île d'Yeu jusqu'au continent
Sefton Coast
Sikhote-Alinskiy Biosphere Reserve
Sirmilik National Park
South Atlantic Coastal Plain Biosphere Reserve
Southern Hudson Bay taiga
Southwest Iberian Mediterranean sclerophyllous and mixed forests
Spreewald
St. Kilda National Nature Reserve
Starnberger See
Tawas Point State Park
The Raven SPA
The Wash and North Norfolk Coast
Tuktut Nogait National Park
Ukkusiksalik National Park
Urdaibaiko Itsasadarra / Ría de Urdaibai
VALLEE DU RHIN DE LAUTERBOURG A STRASBOURG
VALLEE DU RHIN DE STRASBOURG A MARCKOLSHEIM
Virginia Coast Biosphere Reserve
Voyageurs National Park
Wapusk National Park
Waterton Biosphere Reserve
Wheeler National Wildlife Refuge
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve
Yellowstone Biosphere Reserve

Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.