Diet Overlap

Loxia leucoptera (White-winged Crossbill) Tamiasciurus hudsonicus (red squirrel)

Common Diet

Abies arctica (Canadian spruce)

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 Appalachian mixed mesophytic forests Appalachian-Blue Ridge forests Arctic National Wildlife Refuge Atlantic coastal pine barrens Banff National Park Blue Mountains forests Bonanza Creek LTER Site British Columbia mainland coastal forests Bruce Peninsula National Park Canadian Aspen forests and parklands Cape Breton Highlands National Park Cape Cod National Seashore Cascade Mountains leeward forests Cedar Creek LTER Site Central British Columbia Mountain forests Central Canadian Shield forests Central forest-grasslands transition Central tall grasslands Champlain-Adirondack Biosphere Reserve Chihuahuan desert Colorado Plateau shrublands Colorado Rockies forests Cook Inlet taiga Copper Plateau taiga Denali Biosphere Reserve 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 Forillon National Park Fraser Plateau and Basin complex Fundy National Park Glacier National Park Great Basin shrub steppe Great Smoky Mountains National Park Great Swamp National Wildlife Refuge Gros Morne National Park Gulf of St. Lawrence lowland forests Gwaii Haanas National Park Reserve Hubbard Brook Biosphere Reserve Indiana Dunes National Lakeshore Interior Alaska-Yukon lowland taiga Interior Yukon-Alaska alpine tundra Jasper National Park Kejimkujik National Park Kluane National Park and Reserve Kootenay National Park Kouchibouguac National Park La Mauricie National Park Lake Superior Provincial Park Long Point Biosphere Reserve Mid-Continental Canadian forests Middle Atlantic coastal forests Midwestern Canadian Shield forests Mingan Archipelago National Park Reserve Montana Valley and Foothill grasslands Morristown National Historical Park Mount Arrowsmith Mount Revelstoke National Park Muskwa-Slave Lake forests Nahanni National Park Reserve New England-Acadian forests New Jersey Pinelands Biosphere Reserve 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 Northern transitional alpine forests Northwest Territories taiga Ogilvie-MacKenzie alpine tundra Okanagan dry forests Pacific Coastal Mountain icefields and tundra Palouse grasslands Polar Bear Provincial Park Prince Albert National Park Prince Edward Island National Park Pukaskwa National Park Reserve de la Biosphere de Charlevoix Riding Mountain Biosphere Reserve Rocky Mountain Biosphere Reserve Rondeau Provincial Park Saint Lawrence Islands National Park Sleeping Bear Dunes National Lakeshore Snake-Columbia shrub steppe South Central Rockies forests Southeastern mixed forests Southern Appalachian Biosphere Reserve Southern Great Lakes forests Southern Hudson Bay taiga Southwest Nova Biosphere Reserve Terra Nova National Park Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Voyageurs National Park Vuntut National Park Wapusk National Park Wasatch and Uinta montane forests Waterton Biosphere Reserve Western Great Lakes forests Western short grasslands Winisk River Provincial Park Wood Buffalo National Park Woodland Caribou Provincial Wilderness Park Wrangell-St. Elias National Park and Preserve Wyoming Basin shrub steppe Yellowstone Biosphere Reserve Yoho National Park Yukon Interior dry forests