Diet Overlap

Acanthis flammea (Common Redpoll) Castor canadensis (american beaver)

Common Diet

Salix alaxensis (feltleaf willow)

Common Habitat

Acadia National Park Alaska Peninsula montane taiga Alaska-St. Elias Range tundra Alberta Mountain forests Alberta-British Columbia foothills forests Algonquin Provincial Park Allegheny Highlands forests Antietam National Battlefield Arches National Park Arctic coastal tundra Arctic foothills tundra Audubon National Wildlife Refuge Badlands National Park Banff National Park Beringia lowland tundra Beringia upland tundra Bighorn Canyon National Recreation Area Bombay Hook National Wildlife Refuge Bonanza Creek LTER Site British Columbia mainland coastal forests Brooks-British Range tundra Bruce Peninsula National Park Canadian Aspen forests and parklands Cape Breton Highlands National Park Carolinian-South Atlantic Biosphere Reserve Cascade Mountains leeward forests Cedar Creek LTER Site Central British Columbia Mountain forests Central Canadian Shield forests Central Pacific coastal forests Central tall grasslands Chippewa Nature Center Colonial National Historic Park Cook Inlet taiga Copper Plateau taiga Denali Biosphere Reserve Dinosaur National Monument Eastern Canadian forests Eastern Canadian Shield taiga Eastern forest-boreal transition Eastern Great Lakes lowland forests Effigy Mounds National Monument Elk Island National Park Fathom Five National Marine Park Fraser Plateau and Basin complex Fundy National Park Georgian Bay Islands National Park Glacier Bay National Park and Preserve Glacier National Park Grasslands National Park Great Smoky Mountains National Park Great Swamp National Wildlife Refuge Greenwater Provincial Park Gros Morne National Park Gulf of St. Lawrence lowland forests Hubbard Brook Biosphere Reserve Indiana Dunes National Lakeshore Interior Alaska-Yukon lowland taiga Interior Yukon-Alaska alpine tundra Ivvavik National Park Jasper National Park Kejimkujik National Park Kivach Zapovednik Kluane National Park and Reserve Knife River Indian Villages National Hist. Site Kootenay National Park Kouchibouguac National Park La Mauricie National Park Lake Roosevelt National Recreation Area Lake Superior Provincial Park Long Point Biosphere Reserve Mid-Continental Canadian forests Midwestern Canadian Shield forests Mingan Archipelago National Park Reserve Montana Valley and Foothill grasslands Morristown National Historical Park Mount Arrowsmith Mount Rainier National Park Mount Revelstoke National Park Muskwa-Slave Lake forests Nahanni National Park Reserve New England-Acadian forests Niagara Escarpment Biosphere Reserve North America North Central Rockies forests Northeastern coastal forests Northern Canadian Shield taiga Northern Cordillera forests Northern mixed grasslands Northern Pacific coastal forests Northern short grasslands Northern tall grasslands Northwest Territories taiga Ogilvie-MacKenzie alpine tundra Okanagan dry forests Olympic Biosphere Reserve Pacific Coastal Mountain icefields and tundra Palouse grasslands Pipestone National Monument Polar Bear Provincial Park Prince Albert National Park Prince Edward Island National Park Puget lowland forests Pukaskwa National Park Redberry Lake Biosphere Reserve Reserve de la Biosphere de Charlevoix Riding Mountain Biosphere Reserve Rocky Mountain Biosphere Reserve Rondeau Provincial Park Saint Lawrence Islands National Park Saratoga National Historical Park Shortgrass Steppe LTER Site Sleeping Bear Dunes National Lakeshore Southern Appalachian Biosphere Reserve Southern Great Lakes forests Southern Hudson Bay taiga Southwest Nova Biosphere Reserve Terra Nova National Park Torngat Mountain tundra Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Voyageurs National Park Vuntut National Park Wapusk National Park Waterton Biosphere Reserve Western Great Lakes forests Wood Buffalo National Park Wrangell-St. Elias National Park and Preserve Yoho National Park Yukon Interior dry forests