Diet Overlap

Molothrus ater (Brown-headed Cowbird)
Microtus pennsylvanicus (meadow vole)

Common Diet

Digitaria ischaemum (small crabgrass)
Panicum virgatum (old switch panic grass)

Common Habitat

Acadia National Park
Alberta Mountain forests
Alberta-British Columbia foothills forests
Algonquin Provincial Park
Allegheny Highlands forests
Antietam National Battlefield
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arctic National Wildlife Refuge
Arizona Mountains forests
Assateague Island National Seashore
Atlantic coastal pine barrens
Badlands National Park
Banff National Park
Bombay Hook National Wildlife Refuge
British Columbia mainland coastal forests
Bruce Peninsula National Park
Calvin College Ecosystem Preserve
Canadian Aspen forests and parklands
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Carolinian-South Atlantic Biosphere Reserve
Cascade Mountains leeward forests
Catoctin Mountain Park
Cedar Creek LTER Site
Central and Southern mixed grasslands
Central British Columbia Mountain forests
Central Canadian Shield forests
Central forest-grasslands transition
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chippewa Nature Center
Colorado Plateau shrublands
Colorado Rockies forests
Coram Biosphere Reserve
Coweeta Hydrologic Laboratory LTER Site
Cuyahoga Valley National Park
De Soto National Wildlife Refuge
Denali Biosphere Reserve
Devils Tower National Monument
Eastern Canadian forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwin S. George Reserve
El Malpais National Monument
El Morro National Monument
Elk Island National Park
Fathom Five National Marine Park
Fire Island National Seashore
Flint Hills tall grasslands
Forillon National Park
Fraser Plateau and Basin complex
Fundy National Park
George Washington Birthplace National Monument
George Washington Memorial Parkway
Georgian Bay Islands National Park
Gettysburg National Military Park
Glacier National Park
Grasslands National Park
Great Basin shrub steppe
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Greenwater Provincial Park
Gros Morne National Park
Guilford Courthouse National Military Park
Gulf of St. Lawrence lowland forests
Hot Springs National Park
Indiana Dunes National Lakeshore
Jasper National Park
Kejimkujik National Park
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
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
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 Mitchell State Park
Mount Revelstoke National Park
Muskwa-Slave Lake forests
Nahanni National Park Reserve
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
New Jersey Pinelands Biosphere Reserve
New River Gorge National River
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern Canadian Shield taiga
Northern Cordillera forests
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
Northern transitional alpine forests
Northwest Territories taiga
Oak Ridge National Environmental Research Park
Okanagan dry forests
Pacific Coastal Mountain icefields and tundra
Palouse grasslands
Pipestone National Monument
Point Pelee National Park
Prince Albert National Park
Prince Edward Island National Park
Puget lowland forests
Pukaskwa National Park
Redberry Lake Biosphere Reserve
Riding Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Lawrence Islands National Park
Saint-Gaudens National Historic Site
Saratoga National Historical Park
Scotts Bluff National Monument
Shenandoah National Park
Shortgrass Steppe LTER Site
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
South Central Rockies forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southwest Nova Biosphere Reserve
Terra Nova National Park
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Valley Forge National Historical Park
Virginia Coast Biosphere Reserve
Voyageurs National Park
Wapusk National Park
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Western Great Lakes forests
Western Michigan University’s Asylum Lake
Western short grasslands
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

Attributes / relations provided by
1Study of Northern Virginia Ecology