Diet Overlap

Quiscalus quiscula (Common Grackle) Microtus pennsylvanicus (meadow vole)

Common Diet

Quercus velutina (Black Oak)

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 Assateague Island National Seashore Atlantic coastal pine barrens Badlands National Park Banff National Park Bombay Hook National Wildlife Refuge 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 Catoctin Mountain Park Cedar Creek LTER Site Central and Southern mixed grasslands Central Canadian Shield forests Central forest-grasslands transition Central tall grasslands Central U.S. hardwood forests Champlain-Adirondack Biosphere Reserve Chippewa Nature Center Colorado Rockies forests Coweeta Hydrologic Laboratory LTER Site Cuyahoga Valley National Park De Soto National Wildlife Refuge 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 Fort Necessity National Battlefield Fundy National Park George Washington Birthplace National Monument George Washington Memorial Parkway Georgian Bay Islands National Park Gettysburg National Military 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 Indiana Dunes National Lakeshore Jasper National Park Kejimkujik National Park Knife River Indian Villages National Hist. Site Kouchibouguac National Park La Mauricie National Park 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 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 Cordillera forests Northern mixed grasslands Northern short grasslands Northern tall grasslands Oak Ridge National Environmental Research Park Pipestone National Monument Point Pelee National Park Polar Bear Provincial Park Prince Albert National Park Prince Edward Island National Park 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 Shortgrass Steppe LTER Site Sleeping Bear Dunes National Lakeshore South Central Rockies forests Southeastern mixed forests Southern Appalachian Biosphere Reserve Southern Great Lakes forests Southwest Nova Biosphere Reserve Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Valley Forge National Historical Park Virginia Coast Biosphere Reserve Voyageurs National Park Waterton Biosphere Reserve Western Great Lakes forests Western Michigan University’s Asylum Lake Western short grasslands Wind Cave National Park Winisk River Provincial Park Wood Buffalo National Park Woodland Caribou Provincial Wilderness Park Yellowstone Biosphere Reserve Yoho National Park