Diet Overlap

Strix varia (Barred Owl)
Thamnophis sirtalis (Common Garter Snake)

Common Diet

Anaxyrus americanus (American Toad)
Lithobates catesbeianus (American Bullfrog)
Microtus pennsylvanicus (meadow vole)
Peromyscus leucopus (white-footed mouse)
Plethodon cinereus (Eastern Red-backed Salamander)
Pterophylla camellifolia (common true katydid)

Common Habitat

Acadia National Park
Alberta Mountain forests
Alberta-British Columbia foothills forests
Algonquin Provincial Park
Allegheny Highlands forests
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Atlantic coastal pine barrens
Big Cypress National Preserve
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
British Columbia mainland coastal forests
Bruce Peninsula National Park
California Coast Ranges Biosphere Reserve
Calvin College Ecosystem Preserve
Canaveral National Seashore
Cape Breton Highlands National Park
Cape Romain National Wildlife Refuge
Carolinian-South Atlantic Biosphere Reserve
Cascade Mountains leeward forests
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
Champlain-Adirondack Biosphere Reserve
Chattahoochee River National Recreation Area
Chickasaw National Recreation Area
Cumberland Island National Seashore
De Soto National Wildlife Refuge
East Central Texas forests
Eastern Canadian forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwin S. George Reserve
Everglades
Fathom Five National Marine Park
Flint Hills tall grasslands
Florida sand pine scrub
Forillon National Park
Fort Matanzas National Monument
Fraser Plateau and Basin complex
Fundy National Park
George WA Carver National Monument
George Washington Birthplace National Monument
George Washington Memorial Parkway
Georgian Bay Islands National Park
Gettysburg National Military Park
Glacier National Park
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Gulf of St. Lawrence lowland forests
H.J. Andrews Biosphere Reserve
Horseshoe Bend National Military Park
Hubbard Brook Biosphere Reserve
Jean Lafitte National Hist. Park & Preserve
Kejimkujik National Park
Kejimkujik Seaside Adjunct
Kootenay National Park
Kouchibouguac National Park
La Mauricie National Park
Lake Chelan National Recreation Area
Lake Superior Provincial Park
Land Between the Lakes Biosphere Reserve
Little River National Wildlife Refuge
Long Point Biosphere Reserve
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Mid-Continental Canadian forests
Middle Atlantic coastal forests
Midwestern Canadian Shield forests
Mississippi lowland forests
Mount Rainier National Park
Mount Revelstoke National Park
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
Niagara Escarpment Biosphere Reserve
North Central Rockies forests
Northeastern coastal forests
Northern Cordillera forests
Northern mixed grasslands
Northern tall grasslands
Northern transitional alpine forests
Oak Ridge National Environmental Research Park
Ocmulgee National Monument
Okanagan dry forests
Okefenokee National Wildlife Refuge
Olympic Biosphere Reserve
Ozark Mountain forests
Palouse grasslands
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
Roosevelt Vanderbilt National Historic Site
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Saint-Gaudens National Historic Site
Saratoga National Historical Park
South Atlantic Coastal Plain Biosphere Reserve
South Florida rocklands
Southeastern conifer forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southwest Nova Biosphere Reserve
Texas blackland prairies
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Waterton Biosphere Reserve
Western Great Lakes forests
Western Gulf Coastal grasslands
Wheeler National Wildlife Refuge
Woodland Caribou Provincial Wilderness Park
Yoho National Park

Attributes / relations provided by
♦ 1Study of Northern Virginia Ecology
♦ 2Resources of a Snake Community in Prairie-Woodland Habitat of Northeastern Kansas, Henry S. Fitch, U.S Fish and Wildlife Service, Wildlife Research Report 13: 83-98 (1982)