Diet Overlap

Acanthis flammea (Common Redpoll) Calcarius lapponicus (Lapland Longspur)

Common Diet

Arctagrostis latifolia (wideleaf polargrass) Betula intermedia (dwarf birch) Bombus polaris (Bumblebee) Pirata piraticus (Spider)

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 Algonquin Provincial Park Allegheny Highlands forests Amur meadow steppe Apostle Islands National Lakeshore Arctic coastal tundra Arctic foothills tundra Assateague Island National Seashore Astrakhanskiy Biosphere Reserve Atlantic mixed forests Audubon National Wildlife Refuge Auyuittuq National Park Badlands National Park Baffin coastal tundra Baltic mixed forests Banff National Park Barguzinskiy Biosphere Reserve Beringia lowland tundra Beringia upland tundra Bideford Bay Biosphere Reserve Bohai Sea saline meadow Bombay Hook National Wildlife Refuge British Columbia mainland coastal forests Brooks-British Range tundra Bruce Peninsula National Park Canadian Aspen forests and parklands Cape Cod National Seashore Cape Hatteras National Seashore Cape Romain National Wildlife Refuge Carolinian-South Atlantic Biosphere Reserve Carpathian montane forests Cascade Mountains leeward forests Caucasus Celtic broadleaf 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 Copper Plateau taiga Davis Highlands tundra Dee Estuary/ Aber Dyfrdwy Denali Biosphere Reserve East European forest steppe Eastern forest-boreal transition Eastern Great Lakes lowland forests Effigy Mounds National Monument Elk Island National Park English Lowlands beech forests Fathom Five National Marine Park Forillon National Park Fundy National Park Gateway National Recreation Area Glacier Bay National Park and Preserve Glacier National Park Grasslands National Park Greenwater Provincial Park Gros Morne National Park Gulf of St. Lawrence lowland forests Haapalahti High Arctic tundra Horicon National Wildlife Refuge Hortobágy National Park Huang He Plain mixed forests Indiana Dunes National Lakeshore Interior Alaska-Yukon lowland taiga Interior Yukon-Alaska alpine tundra Isle of Rum National Nature Reserve Isomatala-Maasyvänlahti Ivvavik National Park Jasper National Park Joutsenaapa - Kaita-aapa Kluane National Park and Reserve Kola Peninsula tundra Kouchibouguac National Park Krkonose Kronotskiy Biosphere Reserve Lake Superior Provincial Park Lake Torne Area Laplandskiy Biosphere Reserve Long Point Biosphere Reserve Low Arctic tundra Manchurian mixed forests Mediterranean Basin Mingan Archipelago National Park Reserve Mongolian-Manchurian grassland Montana Valley and Foothill grasslands Mount Arrowsmith Mount Revelstoke National Park Mountains of Central Asia Nahanni National Park Reserve Nenjiang River grassland Neusiedler See-Osterreichischer Teil New England-Acadian forests Niagara Escarpment Biosphere Reserve North America North Central Rockies forests North-east Greenland National Park Northeast China Plain deciduous forests Northeastern coastal forests Northeastern Spain and Southern France Mediterranean forests Northern mixed grasslands Northern short grasslands Northern tall grasslands Northwest Russian-Novaya Zemlya tundra Ogilvie-MacKenzie alpine tundra Okanagan dry forests Okskiy Biosphere Reserve Olympic Biosphere Reserve Pacific Coastal Mountain icefields and tundra Palouse grasslands Pannonian mixed forests Parco Naturale Adamello Parco Regionale Orobie Bergamasche Pechoro-Ilychskiy Biosphere Reserve Pictured Rocks National Lakeshore Point Pelee National Park Polar Bear Provincial Park Pontic steppe Prince Albert National Park Prince Edward Island National Park Puget lowland forests Pukaskwa National Park Queen Maud Gulf Bird Sanctuary Redberry Lake Biosphere Reserve Riding Mountain Biosphere Reserve Rondeau Provincial Park Saint Croix International Historic Site Saint Lawrence Islands National Park Sayano-Shushenskiy Biosphere Reserve Scandinavian and Russian taiga Scandinavian coastal conifer forests Scandinavian Montane Birch forest and grasslands Shortgrass Steppe LTER Site Sikhote-Alinskiy Biosphere Reserve Sirmilik National Park Sokhondinskiy Biosphere Reserve Southern Great Lakes forests Southern Hudson Bay taiga St. Kilda National Nature Reserve Suiphun-Khanka meadows and forest meadows Taimyr-Central Siberian tundra Taimyrsky Biosphere Reserve Tawas Point State Park Tian Shan montane conifer forests Tian Shan montane steppe and meadows Torngat Mountain tundra Tsentral'no-Chernozemny Biosphere Reserve Tuktut Nogait National Park Ubsunurskaya Kotlovina (Ubsunur Depression) Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Virginia Coast Biosphere Reserve Voyageurs National Park Walker Bay Field Station Wapusk National Park Western Great Lakes forests Wind Cave National Park Wood Buffalo National Park Wrangell-St. Elias National Park and Preserve Yellow Sea saline meadow Yellowstone Biosphere Reserve Yoho National Park