Diet Overlap

Anas acuta (Northern Pintail)
Plectrophenax nivalis (Snow Bunting)

Common Diet

Triglochin maritima (Sea Arrow Grass)

Common Habitat

Acadia National Park
Alaska Maritime National Wildlife Refuge
Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
Alberta Mountain forests
Alberta-British Columbia foothills forests
Aleutian Islands Biosphere Reserve
Aleutian Islands tundra
Algonquin Provincial Park
Amur meadow steppe
Apostle Islands National Lakeshore
Appalachian mixed mesophytic forests
Arctic coastal tundra
Arctic foothills tundra
Arctic National Wildlife Refuge
Assateague Island National Seashore
Astrakhanskiy Biosphere Reserve
Atlantic coastal pine barrens
Atlantic mixed forests
Audubon National Wildlife Refuge
Badlands National Park
Baie du Mont Saint Michel
Baltic mixed forests
Banff National Park
Barguzinskiy Biosphere Reserve
Basses Vallées du Cotentin et Baie des Veys
Belovezhskaya Pushcha Biosphere Reserve
Berezinskiy Zapovednik
Beringia lowland tundra
Beringia upland tundra
Bermuda subtropical conifer forests
Bialowieza National Park
Bighorn Canyon National Recreation Area
Blackwater National Wildlife Refuge
Blue Mountains forests
Bombay Hook National Wildlife Refuge
Bonanza Creek LTER Site
British Columbia mainland coastal forests
Brooks-British Range tundra
Bruce Peninsula National Park
Caerlaverock National Nature Reserve
Caledon conifer forests
California Coast Ranges Biosphere Reserve
Canadian Aspen forests and parklands
Cantabrian mixed forests
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
Carpathian montane forests
Cascade Mountains leeward forests
Caspian lowland desert
Caucasus
Cedar Creek LTER Site
Celtic broadleaf forests
Central and Southern mixed grasslands
Central British Columbia Mountain forests
Central European mixed forests
Central forest-grasslands transition
Central Gulf Coastal Plain Biosphere Reserve
Central Pacific coastal forests
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chesapeake & Ohio Canal National Hist. Park
Colorado Plateau shrublands
Colorado Rockies forests
Copper Plateau taiga
Crosswinds Marsh
Cumberland Island National Seashore
Da Hinggan-Dzhagdy Mountains conifer forests
Darvinsky Zapovednik
Death Valley National Park
Dee Estuary/ Aber Dyfrdwy
Deer Flat National Wildlife Refuge
Denali Biosphere Reserve
Dornoch Firth and Morrich More
Dyfi National Nature Reserve
East European forest steppe
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Effigy Mounds National Monument
Elk Island National Park
Emin Valley steppe
English Lowlands beech forests
Estuaire et marais de la Basse Seine
Everglades
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Felsõ-kiskunsági szikes puszták és turjánvidék
Flint Hills tall grasslands
Florida sand pine scrub
Flusslandschaft Elbe Biosphere Reserve
Forillon National Park
Fort Pulaski National Monument
Fraser Plateau and Basin complex
Fundy National Park
Gates of the Arctic National Park
Gateway National Recreation Area
Georgian Bay Islands National Park
Glacier Bay National Park and Preserve
Glacier National Park
Grasslands National Park
Great Basin shrub steppe
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Greenwater Provincial Park
Gros Morne National Park
Gulf of St. Lawrence lowland forests
Gwaii Haanas National Park Reserve
Heinlahti
Hortobágy National Park
Humber Estuary
Iceland boreal birch forests and alpine tundra
Iivaara - Jousivaara
Indiana Dunes National Lakeshore
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Isomatala-Maasyvänlahti
Ivvavik National Park
Jasper National Park
Kavkazskiy Biosphere Reserve
Kiskunsági szikes tavak és az õrjegi turjánvidék
Kluane National Park and Reserve
Kola Peninsula tundra
Kootenay National Park
Kouchibouguac National Park
Krkonose
Kronotskiy Biosphere Reserve
Lago di Mezzola e Pian di Spagna
Laidauredeltat
Lake Roosevelt National Recreation Area
Lake Superior Provincial Park
Lake Torne Area
Laplandskiy Biosphere Reserve
Little St. Simons Island
Long Point Biosphere Reserve
Low Arctic tundra
Lukajno Lake Reserve
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Manchurian mixed forests
Marais de l'Erdre
Marais salants de Guérande, traicts du Croisic, dunes de Pen Bron
Middle Atlantic coastal forests
Mingan Archipelago National Park Reserve
Minsmere to Walberswick Heaths and Marshes
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Mongolian-Manchurian grassland
Montana Valley and Foothill grasslands
Moray Firth
Mount Arrowsmith
Mountains of Central Asia
Nahanni National Park Reserve
Nebraska Sand Hills mixed grasslands
Neusiedler See-Osterreichischer Teil
New England-Acadian forests
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North America
North Atlantic moist mixed forests
North Bull Island
North Central Rockies forests
North Norfolk Coast
North Norfolk Coast Biosphere Reserve
Northeast China Plain deciduous forests
Northeastern coastal forests
Northern mixed grasslands
Northern Pacific coastal forests
Northern short grasslands
Northern tall grasslands
Northern transitional alpine forests
Northwest Russian-Novaya Zemlya tundra
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Okskiy Biosphere Reserve
Olympic Biosphere Reserve
Ostrov Vrangelya (Wrangel Island) Zapovednik
Pacific Coastal Mountain icefields and tundra
Pacific Rim National Park Reserve
Palava Protected Landscape Area
Palouse grasslands
Pannonian mixed forests
Pechoro-Ilychskiy Biosphere Reserve
Pictured Rocks National Lakeshore
Point Pelee National Park
Point Reyes National Seashore
Polar Bear Provincial Park
Pontic steppe
Prince Albert National Park
Prince Edward Island National Park
Prioksko-Terrasny Biosphere Reserve
Pukaskwa National Park
Queen Charlotte Islands
Queen Maud Gulf Bird Sanctuary
Quttinirpaaq (Ellesmere Island) National Park Reserve
Ramsar-Gebiet S-H Wattenmeer und angrenzende Küstengebiete
Redberry Lake Biosphere Reserve
Redwood National Park
Reserva de la Biosfera de Urdaibai
Reserve de la Biosphere des Vosges du Nord
Reserve Nationale de Camargue Biosphere Reserve
Riding Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Scandinavian and Russian taiga
Scandinavian coastal conifer forests
Sefton Coast
Severn Estuary/ Môr Hafren
Shortgrass Steppe LTER Site
Sikhote-Alinskiy Biosphere Reserve
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
South Atlantic Coastal Plain Biosphere Reserve
South Central Rockies forests
South Florida rocklands
Southeastern conifer forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Spreewald
St. Kilda National Nature Reserve
Suiphun-Khanka meadows and forest meadows
Taimyr-Central Siberian tundra
Taimyrsky Biosphere Reserve
Tawas Point State Park
Texas blackland prairies
The Wash and North Norfolk Coast
Tian Shan foothill arid steppe
Tian Shan montane steppe and meadows
Tuktut Nogait National Park
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ukkusiksalik National Park
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Val d'Allier Bourbonnais
Virginia Coast Biosphere Reserve
Viurilanlahti
Voyageurs National Park
Waddensea Area
Waddensea of Schleswig-Holstein
Wapusk National Park
Waterton Biosphere Reserve
Western European broadleaf forests
Western Great Lakes forests
Western short grasslands
Willamette Valley forests
Wind Cave National Park
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yoho National Park

Attributes / relations provided by
♦ 1Food 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
♦ 2J. Dierschke (2002) Food preferences of Shorelarks Eremophila alpestris, Snow Buntings Plectrophenax nivalis and Twites Carduelis flavirostris wintering in the Wadden Sea: Seeds of plants from lower salt marsh communities are preferred, with insects less important., Bird Study, 49:3, 263-269