Diet Overlap

Acanthis flammea (Common Redpoll) Loxia curvirostra (Red Crossbill)

Common Diet

Abies clanbrassiliana (Norway spruce)

Common Habitat

Acadia National Park Alashan Plateau semi-desert Alaska Maritime National Wildlife Refuge Alaska-St. Elias Range tundra Alberta Mountain forests Alberta-British Columbia foothills forests Aleutian Islands Biosphere Reserve Aleutian Islands tundra Algonquin Provincial Park Allegheny Highlands forests Alpi Carniche Alpi Veglia e Devero - Monte Giove Alps conifer and mixed forests Alte Valli Stura e Maira Alto Garda Bresciano Amur meadow steppe Apostle Islands National Lakeshore Assateague Island National Seashore Astrakhanskiy Biosphere Reserve Atlantic mixed forests Audubon National Wildlife Refuge Azumayama Forest Badlands National Park Bagni di Masino - Pizzo Badile - Val di Mello - Val Torrone - Piano di Preda Rossa Baikalskiy Biosphere Reserve Balkan mixed forests Baltic mixed forests Banff National Park Barguzinskiy Biosphere Reserve Bayerischer Wald National Park Beinn Eighe National Nature Reserve Belovezhskaya Pushcha Biosphere Reserve Berchtesgaden Alps Berezinskiy Zapovednik Bialowieza National Park Bighorn Canyon National Recreation Area Blackwater National Wildlife Refuge Boggs Lake Preserve British Columbia mainland coastal forests Bruce Peninsula National Park Caledon conifer forests Canadian Aspen forests and parklands Cape Breton Highlands National Park Cape Cod National Seashore Cape Hatteras National Seashore Carolinian-South Atlantic Biosphere Reserve Carpathian montane forests Cascade Mountains leeward forests Caucasus Caucasus mixed forests Cedar Creek LTER Site Celtic broadleaf forests Central British Columbia Mountain forests Central Canadian Shield forests Central China loess plateau mixed forests Central European mixed forests Central Pacific coastal forests Central Plains Biosphere Reserve Central tall grasslands Changbai Mountains mixed forests Changjiang Plain evergreen forests Codru (Kodry) Zapovednik Colonial National Historic Park Cook Inlet taiga Copper Plateau taiga Crater Lake National Park Craters of the Moon National Monument Crimean Submediterranean forest complex Dinaric Mountains mixed forests Dinosaur National Monument Disgrazia - Sissone Dolomiti di Ampezzo Eastern Canadian forests Eastern forest-boreal transition Eastern Great Lakes lowland forests Edwin S. George Reserve Effigy Mounds National Monument Elimyssalon alue Elk Island National Park English Lowlands beech forests Fathom Five National Marine Park Fenland Flusslandschaft Elbe Biosphere Reserve Foresta di Legnoli Fraser Plateau and Basin complex Fundy National Park Gateway National Recreation Area Glacier Bay National Park and Preserve Glacier National Park Gobi Lakes Valley desert 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 Hortobágy National Park Huang He Plain mixed forests Hubbard Brook Biosphere Reserve Iivaara - Jousivaara Indiana Dunes National Lakeshore Interior Yukon-Alaska alpine tundra Isle of Rum National Nature Reserve Isojärvi-Arvajanreitti Isomatala-Maasyvänlahti Italian sclerophyllous and semi-deciduous forests Jasper National Park Jaurakkavaara Juortanansalon alue Karkonosze Katunsky Biosphere Reserve Kejimkujik National Park Kitka Kluane National Park and Reserve Knife River Indian Villages National Hist. Site Koitajoen alue Kola Peninsula tundra Kootenay National Park Kouchibouguac National Park Krivoklatsko Protected Landscape Area Krkonose Kronotskiy Biosphere Reserve KUORTANO-SAIVINVUOMA-LAUNIJÄRVI Kuusmäki-Tikkamäki-Kirkkokangas-Valkeavuori Lake Roosevelt National Recreation Area Lake Superior Provincial Park Lake Torne Area Laplandskiy Biosphere Reserve LEPPÄVUOMA-MURTOVUOMA-SAATTOPORANVUOMA Long Point Biosphere Reserve LOUKISEN LATVASUOT Luiron suot Manchurian mixed forests Mataraniemi - Mäyrämäki Mediterranean Basin Mid-Continental Canadian forests Midwestern Canadian Shield forests Mongolian-Manchurian grassland Montana Valley and Foothill grasslands Morristown National Historical Park Mount Arrowsmith Mount Rainier National Park Mount Revelstoke National Park Mountains of Central Asia Muskwa-Slave Lake forests MUSTARINNAN TUNTURI Natural Bridges National Monument Nenjiang River grassland Neusiedler See-Osterreichischer Teil New England-Acadian forests Newfoundland Highland forests Niagara Escarpment Biosphere Reserve North America North Atlantic moist mixed forests North Central Rockies forests North York Moors Northeast China Plain deciduous forests Northeastern coastal forests Northeastern Spain and Southern France Mediterranean forests Northern Canadian Shield taiga Northern Cordillera forests Northern Karelian Northern mixed grasslands Northern Pacific coastal forests Northern short grasslands Northern tall grasslands Northwest Territories taiga Oijusluoma Ojakylänlahti ja Kengänkari Okanagan dry forests Okskiy Biosphere Reserve Olympic Biosphere Reserve Onkisalo-Herjaanselkä Pacific Coastal Mountain icefields and tundra Palava Protected Landscape Area Palouse grasslands Pannonian mixed forests Parc National Suisse Parco Naturale Adamello Parco Nazionale dello Stelvio Parco Regionale Orobie Bergamasche Parco Regionale Orobie Valtellinesi Pechoro-Ilychskiy Biosphere Reserve Pflaelzerwald Pictured Rocks National Lakeshore Polana Biosphere Reserve POMOKAIRA Pötkönsuo Prince Albert National Park Prince Edward Island National Park Prioksko-Terrasny Biosphere Reserve Puget lowland forests Pukaskwa National Park Puszcza Kampinoska Pyhä-Häkin alue Queen Charlotte Islands Räkäsuo Reserve Nationale de Camargue Biosphere Reserve Riding Mountain Biosphere Reserve Riserva Regionale Bosco dei Bordighi Riserva Regionale Paluaccio di Oga Rocky Mountain Biosphere Reserve Roman Wall Loughs Rondeau Provincial Park Ruunaa Saint Croix International Historic Site Saint Lawrence Islands National Park Salmitunturi - Rääpysjärvi Sarmatic mixed forests Sayan Alpine meadows and tundra Sayano-Shushenskiy Biosphere Reserve Scandinavian and Russian taiga Scandinavian coastal conifer forests Scandinavian Montane Birch forest and grasslands Schorfheide-Chorin Selenge-Orkhon forest steppe Severn Estuary/ Môr Hafren Shortgrass Steppe LTER Site SIERRA ALHAMILLA Siikajoen lintuvedet ja suot Sikhote-Alinskiy Biosphere Reserve Sleeping Bear Dunes National Lakeshore Sokhondinskiy Biosphere Reserve Sotkajärvi ja Helkalansuo-Kalettomansuo South Avalon-Burin oceanic barrens South Pennine Moors Southern Appalachian Biosphere Reserve Southern Great Lakes forests Southwest Nova Biosphere Reserve St. Kilda National Nature Reserve Suiphun-Khanka meadows and forest meadows Sumava Biosphere Reserve Tatra Mountains Tawas Point State Park Taynish National Nature Reserve Terra Nova National Park Tervajärvi Tian Shan foothill arid steppe Tian Shan montane conifer forests Tian Shan montane steppe and meadows Tiilikan alue Trebon Basin Protected Landscape Area Triangolo Lariano Triglav National Park Tsentral'no-Lesnoy Biosphere Reserve Tsentral'no-Sibirskiy Biosphere Reserve Ubsunurskaya Kotlovina (Ubsunur Depression) UK-PUISTO-SOMPIO-KEMIHAARA Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Val Codera Val di Scalve Val di Togno - Pizzo Scalino Val Formazza Val Grigna Val Troncea Valle dei Ratti - Cime di Gaiazzo Valtavaara - Pyhävaara Vessertal-Thuringian Forest Biosphere Reserve Virginia Coast Biosphere Reserve Voronezhskiy Biosphere Reserve Voyageurs National Park Waddensea of Lower Saxony Waddensea of Schleswig-Holstein Waterton Biosphere Reserve Western European broadleaf forests Western Great Lakes forests Wind Cave National Park Wood Buffalo National Park Yellow Sea saline meadow Yellowstone Biosphere Reserve Yoho National Park Yukon Interior dry forests