Diet Overlap

Turdus migratorius (American Robin)
Vulpes vulpes (Red Fox)

Common Diet

Ampelocissus latifolia (American ivy)
Cornus florida (flowering dogwood)
Gryllus pennsylvanicus (fall field cricket)
Juniperus virginiana (Eastern Red-cedar)
Phytolacca americana (common pokeweed)
Prunus serotina (Black Cherry)
Vaccinium corymbosum (highbush blueberry)

Common Habitat

Acadia National Park
Agate Fossil Beds National Monument
Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
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
Arctic foothills tundra
Arctic National Wildlife Refuge
Assateague Island National Seashore
Atlantic coastal pine barrens
Audubon National Wildlife Refuge
Badlands National Park
Bandelier National Monument
Banff National Park
Beringia lowland tundra
Beringia upland tundra
Big Cypress National Preserve
Bighorn Canyon National Recreation Area
Blackwater National Wildlife Refuge
Blue Mountains forests
Bombay Hook National Wildlife Refuge
Bonanza Creek LTER Site
British Columbia mainland coastal forests
Brooks-British Range tundra
Bruce Peninsula National Park
Buffalo National River
California Central Valley grasslands
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
California montane chaparral and woodlands
Calvin College Ecosystem Preserve
Canadian Aspen forests and parklands
Canyonlands National Park
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Romain National Wildlife Refuge
Capital Reef National Park
Carl Sandburg Home National Hist. Site
Carolinian-South Atlantic Biosphere Reserve
Carrizo Plain Preserve
Cascade Mountains leeward forests
Catoctin Mountain Park
Cedar Breaks National Monument
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 Plains Biosphere Reserve
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chattahoochee River National Recreation Area
Chickasaw National Recreation Area
Chippewa Nature Center
Colonial National Historic Park
Colorado Plateau shrublands
Colorado Rockies forests
Cook Inlet taiga
Copper Plateau taiga
Coweeta Hydrologic Laboratory LTER Site
Craters of the Moon National Monument
Cuyahoga Valley National Park
De Soto National Wildlife Refuge
Deer Flat National Wildlife Refuge
Denali Biosphere Reserve
Devils Tower National Monument
Dinosaur National Monument
East Central Texas forests
Eastern Canadian forests
Eastern Canadian Shield taiga
Eastern Cascades forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwards Plateau savanna
Edwin S. George Reserve
Effigy Mounds National Monument
Elk Island National Park
Elkhorn Slough Preserve
Everglades
Fathom Five National Marine Park
Felsenthal National Wildlife Refuge
Fire Island National Seashore
Flint Hills tall grasslands
Florida sand pine scrub
Forillon National Park
Fort Necessity National Battlefield
Fraser Biosphere Reserve
Fraser Plateau and Basin complex
Friendship Hill National Historic Site
Fundy National Park
Gates of the Arctic National Park
Gateway National Recreation Area
George WA Carver National Monument
George Washington Memorial Parkway
Georgian Bay Islands National Park
Gettysburg National Military Park
Grand Teton National Park
Grasslands National Park
Great Basin montane forests
Great Basin shrub steppe
Great Swamp National Wildlife Refuge
Greenwater Provincial Park
Gros Morne National Park
Gulf of St. Lawrence lowland forests
H.J. Andrews Biosphere Reserve
Herbert Hoover National Historic Site
Homestead National Monument of America
Hope College Biology Nature Preserve
Hopewell Furnace National Historic Site
Horseshoe Bend National Military Park
Hot Springs National Park
Hubbard Brook Biosphere Reserve
Indiana Dunes National Lakeshore
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Isle Royale Biosphere Reserve
Ivvavik National Park
Jasper National Park
Kejimkujik National Park
Kejimkujik Seaside Adjunct
Klamath-Siskiyou forests
Kluane National Park and Reserve
Knife River Indian Villages National Hist. Site
Kouchibouguac National Park
La Mauricie National Park
Lacassine National Wildlife Refuge
Lake Chelan National Recreation Area
Lake Meredith National Recreation Area
Lake Superior Provincial Park
Land Between the Lakes Biosphere Reserve
Lassen Volcanic National Park
Lava Beds National Monument
Lincoln Boyhood National Memorial
Little River National Wildlife Refuge
Long Point Biosphere Reserve
Low Arctic tundra
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Mesa Verde National Park
Mid-Continental Canadian forests
Middle Atlantic coastal forests
Midwestern Canadian Shield forests
Mingan Archipelago National Park Reserve
Mississippi lowland forests
Montana Valley and Foothill grasslands
Morristown National Historical Park
Mount Mitchell State Park
Mount Rainier National Park
Muskwa-Slave Lake forests
Nahanni National Park Reserve
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
Newfoundland Highland forests
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern Canadian Shield taiga
Northern Cordillera forests
Northern mixed grasslands
Northern Pacific coastal forests
Northern short grasslands
Northern tall grasslands
Northern transitional alpine forests
Northwest Territories taiga
Oak Ridge National Environmental Research Park
Ocmulgee National Monument
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Okefenokee National Wildlife Refuge
Olympic Biosphere Reserve
Oregon Caves National Monument
Ozark Mountain forests
Ozark National Scenic Riverways
Pacific Coastal Mountain icefields and tundra
Palouse grasslands
Petrified Forest National Park
Piney Woods forests
Pipestone National Monument
Point Pelee National Park
Point Reyes National Seashore
Polar Bear Provincial Park
Prince Albert National Park
Prince Edward Island National Park
Puget lowland forests
Pukaskwa National Park
Redberry Lake Biosphere Reserve
Reserve de la Biosphere de Charlevoix
Riding Mountain Biosphere Reserve
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Roosevelt Vanderbilt National Historic Site
Saint Lawrence Islands National Park
San Antonio Missions National Historical Park
Santa Monica Mountains National Recreation Area
Saratoga National Historical Park
Scotts Bluff National Monument
Sequoia and Kings Canyon Biosphere Reserve
Shenandoah National Park
Shortgrass Steppe LTER Site
Sierra Nevada forests
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
South Avalon-Burin oceanic barrens
South Central Rockies forests
Southeastern conifer forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southern Hudson Bay taiga
Southwest Nova Biosphere Reserve
Tennessee River Gorge
Terra Nova National Park
Texas blackland prairies
Torngat Mountain tundra
Tuktut Nogait National Park
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Valley Forge National Historical Park
Voyageurs National Park
Vuntut National Park
Wapusk National Park
Wasatch and Uinta montane forests
Waterton Biosphere Reserve
Western Great Lakes forests
Western Gulf Coastal grasslands
Western Michigan University’s Asylum Lake
Western short grasslands
Wheeler National Wildlife Refuge
Whiskey-Shasta-Trinity National Recreation Area
Willamette Valley forests
Winisk River Provincial Park
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yosemite National Park
Yukon Interior dry forests
Zion National Park