Diet Overlap

Bubo virginianus (Great Horned Owl)
Megascops asio (Eastern Screech-Owl)

Common Diet

Blarina brevicauda (Northern Short-tailed Shrew)
Microtus pinetorum (woodland vole)

Common Habitat

Algonquin Provincial Park
Allegheny Highlands forests
Amistad National Recreation Area
Antietam National Battlefield
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arkansas Post National Memorial
Assateague Island National Seashore
Atlantic coastal pine barrens
Badlands National Park
Big Bend Biosphere Reserve
Big Cypress National Preserve
Big Thicket Biosphere Reserve
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Bruce Peninsula National Park
Buffalo National River
Calvin College Ecosystem Preserve
Canadian Aspen forests and parklands
Canaveral National Seashore
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Romain National Wildlife Refuge
Carolinian-South Atlantic Biosphere Reserve
Cascade Head Biosphere Reserve
Catoctin Mountain Park
Cedar Creek LTER Site
Central and Southern mixed grasslands
Central forest-grasslands transition
Central Gulf Coastal Plain Biosphere Reserve
Central Plains Biosphere Reserve
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chattahoochee River National Recreation Area
Chesapeake & Ohio Canal National Hist. Park
Chickasaw National Recreation Area
Chippewa Nature Center
Chiricahua National Monument
Colonial National Historic Park
Congaree Swamp National Park
Coweeta Hydrologic Laboratory LTER Site
Crater Lake National Park
Crosswinds Marsh
Cumberland Island National Seashore
Cuyahoga Valley National Park
De Soto National Wildlife Refuge
Devils Tower National Monument
East Central Texas forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwards Plateau savanna
Edwin S. George Reserve
Effigy Mounds National Monument
Everglades
Fathom Five National Marine Park
Felsenthal National Wildlife Refuge
Flint Hills tall grasslands
Florida sand pine scrub
Fort Caroline National Memorial
Fort Davis National Historic Site
Fort Matanzas National Monument
Fort Pulaski National Monument
Fort Scott National Historic Site
Friendship Hill National Historic Site
George Washington Birthplace National Monument
George Washington Memorial Parkway
Grandfather Mountain
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Harpers Ferry National Historical Park
Herbert Hoover National Historic Site
Horicon National Wildlife Refuge
Horseshoe Bend National Military Park
Hot Springs National Park
Jean Lafitte National Hist. Park & Preserve
Kellogg Biological Station LTER Site
Knife River Indian Villages National Hist. Site
Konza Prairie Biosphere Reserve
Lacassine National Wildlife Refuge
Land Between the Lakes Biosphere Reserve
Landels-Hill Big Creek Preserve
Lassen Volcanic National Park
Little River National Wildlife Refuge
Little St. Simons Island
Long Point Biosphere Reserve
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Manassas National Battlefield Park
Middle Atlantic coastal forests
Mississippi lowland forests
Morristown National Historical Park
Mount Rainier National Park
National Capital Region - East
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
New Jersey Pinelands Biosphere Reserve
New River Gorge National River
Nez Perce National Historical Park
Niagara Escarpment Biosphere Reserve
Northeastern coastal forests
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
Oak Ridge National Environmental Research Park
Ocmulgee National Monument
Okefenokee National Wildlife Refuge
Organ Pipe Cactus Biosphere Reserve
Ozark Mountain forests
Ozark National Scenic Riverways
Piney Woods forests
Point Pelee National Park
Reserva de la Biosfera El Cielo
Reserva de la Biosfera Sierra Gorda
Reserva de la Michilia
Riding Mountain Biosphere Reserve
Rock Creek Park
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Salt Plains National Wildlife Refuge
San Juan Island National Historical Park
Saratoga National Historical Park
Shenandoah National Park
Shortgrass Steppe LTER Site
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
Tamaulipan matorral
Tamaulipan mezquital
Tawas Point State Park
Tennessee River Gorge
Texas blackland prairies
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Valley Forge National Historical Park
Vicksburg National Military Park
Virginia Coast Biosphere Reserve
Western Great Lakes forests
Western Gulf Coastal grasslands
Western Michigan University’s Asylum Lake
Western short grasslands
Wheeler National Wildlife Refuge
Wilson's Creek National Battlefield
Wind Cave National Park
Yellowstone Biosphere Reserve

Attributes / relations provided by
♦ 1Blarina brevicauda, Sarah B. George, Jerry R. Choate, and Hugh H. Genoways, MAMMALIAN SPECIES No. 261, pp. 1-9 (1986)
♦ 2Microtus pinetorum, Michael J. Smolen, Mammalian Species No. 147, pp. 1-7 (1981)