Diet Overlap

Falco columbarius (Merlin) Strix varia (Barred Owl)

Common Diet

Sturnus vulgaris (European Starling)

Common Habitat

Acadia National Park Alberta Mountain forests Alberta-British Columbia foothills forests Algonquin Provincial Park Apostle Islands National Lakeshore Arkansas Post National Memorial Atlantic coastal pine barrens Bajío dry forests Banff National Park Big Cypress National Preserve Blackbeard Island National Wildlife Refuge Blackwater National Wildlife Refuge Bombay Hook National Wildlife Refuge British Columbia mainland coastal forests Bruce Peninsula National Park California Coast Ranges Biosphere Reserve Canaveral National Seashore Cape Breton Highlands National Park Cape Romain National Wildlife Refuge Carolinian-South Atlantic Biosphere Reserve Cascade Mountains leeward forests Cedar Creek LTER Site Central and Southern Cascades forests Central and Southern mixed grasslands Central British Columbia Mountain forests Central Canadian Shield forests Central forest-grasslands transition Central Gulf Coastal Plain Biosphere Reserve Central Pacific coastal forests Central tall grasslands Central U.S. hardwood forests Chattahoochee River National Recreation Area Chesapeake & Ohio Canal National Hist. Park Colonial National Historic Park Coweeta Hydrologic Laboratory LTER Site Crosswinds Marsh Cumberland Island National Seashore Cuyahoga Valley National Park East Central Texas forests Eastern Canadian forests Eastern forest-boreal transition Eastern Great Lakes lowland forests Edwards Plateau savanna Effigy Mounds National Monument Everglades Fathom Five National Marine Park Flint Hills tall grasslands Florida sand pine scrub Forillon National Park Fort Caroline National Memorial Fort Matanzas National Monument Fort Pulaski National Monument Fraser Plateau and Basin complex Fundy National Park George Washington Memorial Parkway Gettysburg National Military Park Glacier National Park Great Smoky Mountains National Park Great Swamp National Wildlife Refuge Greenwater Provincial Park Gulf of St. Lawrence lowland forests Indiana Dunes National Lakeshore Jasper National Park Jean Lafitte National Hist. Park & Preserve Konza Prairie Biosphere Reserve Kootenay National Park Kouchibouguac National Park La Mauricie National Park Lacassine National Wildlife Refuge Lake Superior Provincial Park Little River National Wildlife Refuge Little St. Simons Island Madrean Pine-Oak Woodlands Mammoth Cave Area Biosphere Reserve (Natn'l Park) Mesoamerica Mid-Continental Canadian forests Middle Atlantic coastal forests Midwestern Canadian Shield forests Mississippi lowland forests Morristown National Historical Park Mount Rainier National Park Mount Revelstoke National Park Muskwa-Slave Lake forests Nahanni National Park Reserve Nebraska Sand Hills mixed grasslands New England-Acadian forests Niagara Escarpment Biosphere Reserve North America North Central Rockies forests Northeastern coastal forests Northern Cordillera forests Northern mixed grasslands Northern tall grasslands Northern transitional alpine forests Ocmulgee National Monument Okanagan dry forests Okefenokee National Wildlife Refuge Olympic Biosphere Reserve Ozark Mountain forests Palouse grasslands Pictured Rocks National Lakeshore Piney Woods forests Prince Albert National Park Prince Edward Island National Park Puget lowland forests Pukaskwa National Park Redwood National Park Riding Mountain Biosphere Reserve Rondeau Provincial Park Saint Croix International Historic Site Saint Lawrence Islands National Park Sierra Madre de Oaxaca pine-oak forests Sierra Madre del Sur pine-oak forests Sierra Madre Occidental pine-oak forests Sleeping Bear Dunes National Lakeshore South Atlantic Coastal Plain Biosphere Reserve South Florida rocklands Southeastern conifer forests Southeastern mixed forests Southern Appalachian Biosphere Reserve Southern Great Lakes forests Tawas Point State Park Texas blackland prairies Thomas Stone National Historic Site Trans-Mexican Volcanic Belt pine-oak forests 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 Gulf Coastal grasslands Wilson's Creek National Battlefield Woodland Caribou Provincial Wilderness Park Yoho National Park