Diet Overlap

Calcarius lapponicus (Lapland Longspur) Catharus ustulatus (Swainson's Thrush)

Common Diet

Pirata piraticus (Spider)

Common Habitat

Acadia National Park Alaska Peninsula montane taiga Alaska-St. Elias Range tundra Aleutian Islands Biosphere Reserve Aleutian Islands tundra Algonquin Provincial Park Allegheny Highlands forests Apostle Islands National Lakeshore Appalachian mixed mesophytic forests Appalachian-Blue Ridge forests Arctic National Wildlife Refuge Arkansas Post National Memorial Assateague Island National Seashore Audubon National Wildlife Refuge Badlands National Park Banff National Park Blue Mountains forests Bombay Hook National Wildlife Refuge British Columbia mainland coastal forests Bruce Peninsula National Park Cabrillo National Monument California Coast Ranges Biosphere Reserve California coastal sage and chaparral California Floristic Province California interior chaparral and woodlands California montane chaparral and woodlands Canadian Aspen forests and parklands Cape Cod National Seashore Cape Hatteras National Seashore Cape Lookout National Seashore Cape Romain National Wildlife Refuge Carolinian-South Atlantic Biosphere Reserve Carrizo Plain Preserve Cascade Mountains leeward forests Central and Southern Cascades forests Central Pacific coastal forests Central Plains Biosphere Reserve Central tall grasslands Champlain-Adirondack Biosphere Reserve Channel Islands National Marine Sanctuary Channel Islands National Park Colorado Plateau shrublands Colorado Rockies forests Copper Plateau taiga Crosswinds Marsh Cumberland Island National Seashore Curecanti National Recreation Area Death Valley National Park Deer Flat National Wildlife Refuge Denali Biosphere Reserve Eastern Cascades forests Eastern forest-boreal transition Eastern Great Lakes lowland forests Effigy Mounds National Monument Elk Island National Park Farallon National Wildlife Refuge Fathom Five National Marine Park Forillon National Park Fort Pulaski National Monument Fundy National Park Gateway National Recreation Area Glacier Bay National Park and Preserve Glacier National Park Grand Portage National Monument Grasslands National Park Great Basin shrub steppe Greenwater Provincial Park Gros Morne National Park Gulf of St. Lawrence lowland forests Homestead National Monument of America Horicon National Wildlife Refuge Indiana Dunes National Lakeshore Interior Alaska-Yukon lowland taiga Interior Yukon-Alaska alpine tundra Jasper National Park Joshua Tree National Park Kejimkujik Seaside Adjunct Klamath-Siskiyou forests Kluane National Park and Reserve Konza Prairie Biosphere Reserve Kouchibouguac National Park Lake Mead National Recreation Area Lake Meredith National Recreation Area Lake Superior Provincial Park Little St. Simons Island Long Point Biosphere Reserve Mammoth Cave Area Biosphere Reserve (Natn'l Park) Mingan Archipelago National Park Reserve Mojave and Colorado Deserts Biosphere Reserve Mojave desert Montana Valley and Foothill grasslands Mount Revelstoke National Park Nahanni National Park Reserve New England-Acadian forests Niagara Escarpment Biosphere Reserve North America North Central Rockies forests Northeastern coastal forests Northern California coastal forests Northern mixed grasslands Northern short grasslands Northern tall grasslands Ogilvie-MacKenzie alpine tundra Okanagan dry forests Olympic Biosphere Reserve Pacific Coastal Mountain icefields and tundra Pacific Rim National Park Reserve Palouse grasslands Pictured Rocks National Lakeshore Point Pelee National Park Point Reyes National Seashore Polar Bear Provincial Park Prince Albert National Park Prince Edward Island National Park Puget lowland forests Pukaskwa National Park Redberry Lake Biosphere Reserve Redwood National Park Riding Mountain Biosphere Reserve Rondeau Provincial Park Saint Croix International Historic Site Saint Lawrence Islands National Park Salt Plains National Wildlife Refuge Shortgrass Steppe LTER Site Sierra Nevada forests Snake-Columbia shrub steppe South Atlantic Coastal Plain Biosphere Reserve South Central Rockies forests Southern Hudson Bay taiga Tawas Point State Park Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Virginia Coast Biosphere Reserve Voyageurs National Park Western Great Lakes forests 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