Diet Overlap

Strix varia (Barred Owl)
Aegolius acadicus (Northern Saw-whet Owl)

Common Diet

Blarina brevicauda (Northern Short-tailed Shrew)
Microtus pennsylvanicus (meadow vole)
Peromyscus leucopus (white-footed mouse)
Sorex vagrans (Vagrant Shrew)

Common Habitat

Acadia National Park
Alberta Mountain forests
Alberta-British Columbia foothills forests
Allegheny Highlands forests
Apostle Islands National Lakeshore
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Atlantic coastal pine barrens
Banff National Park
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
British Columbia mainland coastal forests
Bruce Peninsula National Park
California Coast Ranges Biosphere Reserve
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 Pacific coastal forests
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chattahoochee River National Recreation Area
Chesapeake & Ohio Canal National Hist. Park
Coram Biosphere Reserve
Crosswinds Marsh
Cuyahoga Valley National Park
East Central Texas forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwards Plateau savanna
Edwin S. George Reserve
Effigy Mounds National Monument
Fathom Five National Marine Park
Flint Hills tall grasslands
Forillon National Park
Fort Pulaski National Monument
Fraser Plateau and Basin complex
Friendship Hill National Historic Site
Fundy National Park
George Washington Memorial Parkway
Georgian Bay Islands National Park
Gettysburg National Military Park
Glacier National Park
Grandfather Mountain
Great Smoky Mountains National Park
Greenwater Provincial Park
Gulf of St. Lawrence lowland forests
H.J. Andrews Biosphere Reserve
Hubbard Brook Biosphere Reserve
Jasper National Park
Kejimkujik National Park
Kootenay National Park
Kouchibouguac National Park
La Mauricie National Park
Lake Superior Provincial Park
Long Point Biosphere Reserve
Madrean Pine-Oak Woodlands
Middle Atlantic coastal forests
Midwestern Canadian Shield forests
Mississippi lowland forests
Morristown National Historical Park
Mount Rainier National Park
Mount Revelstoke National Park
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern mixed grasslands
Northern tall grasslands
Northern transitional alpine forests
Oak Ridge National Environmental Research Park
Okanagan dry forests
Olympic Biosphere Reserve
Ozark Mountain forests
Ozark National Scenic Riverways
Palouse grasslands
Pictured Rocks National Lakeshore
Prince Albert National Park
Prince Edward Island National Park
Puget lowland forests
Pukaskwa National Park
Redwood National Park
Richmond National Battlefield 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 Occidental pine-oak forests
Sleeping Bear Dunes National Lakeshore
South Atlantic Coastal Plain Biosphere Reserve
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southwest Nova Biosphere Reserve
Tawas Point State Park
Texas blackland prairies
Trans-Mexican Volcanic Belt pine-oak forests
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Virginia Coast Biosphere Reserve
Voyageurs National Park
Waterton Biosphere Reserve
Western Great Lakes forests

Attributes / relations provided by
♦ 1Blarina brevicauda, Sarah B. George, Jerry R. Choate, and Hugh H. Genoways, MAMMALIAN SPECIES No. 261, pp. 1-9 (1986)
♦ 2DIET OF NORTHERN SAW-WHET OWLS IN SOUTHERN WISCONSIN, SCOTT R. SWENGEL AND ANN B. SWENGEL, The Condor 94:707-711 (1992)
♦ 3Study of Northern Virginia Ecology
♦ 4Sorex vagrans, Scott W. Gillihan and Kerry R. Foresman, MAMMALIAN SPECIES No. 744, pp. 1–5 (2004)