Diet Overlap

Corvus brachyrhynchos (American Crow) Ondatra zibethicus (muskrat)

Common Diet

Quercus alba (White Oak) Toxicodendron radicans (poison ivy)

Common Habitat

Acadia National Park Agate Fossil Beds National Monument Alaska-St. Elias Range tundra Alberta Mountain forests Alberta-British Columbia foothills forests Algonquin Provincial Park Allegheny Highlands forests Antietam National Battlefield Apostle Islands National Lakeshore Appalachian mixed mesophytic forests Appalachian-Blue Ridge forests Arches National Park Arizona Mountains forests Assateague Island National Seashore Atlantic coastal pine barrens Audubon National Wildlife Refuge Aztec Ruins National Monument Badlands National Park Bandelier National Monument Banff National Park Big Thicket Biosphere Reserve Bighorn Canyon National Recreation Area Blackwater National Wildlife Refuge Blue Mountains forests Bombay Hook National Wildlife Refuge British Columbia mainland coastal forests Bruce Peninsula National Park Buffalo National River California Central Valley grasslands California Coast Ranges Biosphere Reserve California Floristic Province California interior chaparral and woodlands California montane chaparral and woodlands Calvin College Ecosystem Preserve Canadian Aspen forests and parklands Cape Breton Highlands National Park Cape Cod National Seashore Cape Hatteras National Seashore Carl Sandburg Home National Hist. Site Carlsbad Caverns National Park Cascade Mountains leeward forests Catoctin Mountain Park 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 Chickasaw National Recreation Area Chihuahuan desert Chippewa Nature Center Colorado Plateau shrublands Colorado Rockies forests Congaree Swamp National Park Cosumnes River Preserve Coweeta Hydrologic Laboratory LTER Site Crater Lake National Park Cuyahoga Valley National Park De Soto National Wildlife Refuge Deer Flat National Wildlife Refuge 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 Edwin S. George Reserve Effigy Mounds National Monument Elk Island National Park Fathom Five National Marine Park Fire Island National Seashore Flint Hills tall grasslands Fort Necessity National Battlefield Fraser Biosphere Reserve Fraser Plateau and Basin complex Friendship Hill National Historic Site Fundy National Park Gateway National Recreation Area George Washington Birthplace National Monument George Washington Memorial Parkway Georgian Bay Islands National Park Gettysburg National Military Park Glacier National Park Grasslands National Park Great Basin montane forests Great Basin National Park Great Basin shrub steppe Great Smoky Mountains National Park Great Swamp National Wildlife Refuge Greenwater Provincial Park Gros Morne National Park Gulf of St. Lawrence lowland forests Herbert Hoover National Historic Site Homestead National Monument of America Hope College Biology Nature Preserve Horseshoe Bend National Military Park Hot Springs National Park Hovenweep National Monument Hubbard Brook Biosphere Reserve Indiana Dunes National Lakeshore Interior Yukon-Alaska alpine tundra Isle Royale Biosphere Reserve Jasper National Park Jean Lafitte National Hist. Park & Preserve Kejimkujik National Park Kejimkujik Seaside Adjunct Klamath-Siskiyou forests Knife River Indian Villages National Hist. Site Konza Prairie Biosphere Reserve Kootenay National Park Kouchibouguac National Park La Mauricie National Park Lacassine National Wildlife Refuge Lake Chelan National Recreation Area Lake Mead National Recreation Area Lake Meredith National Recreation Area Lake Roosevelt National Recreation Area Lake Superior Provincial Park Land Between the Lakes Biosphere Reserve Lassen Volcanic National Park Long Point Biosphere Reserve Mammoth Cave Area Biosphere Reserve (Natn'l Park) Mid-Continental Canadian forests Middle Atlantic coastal forests Midwestern Canadian Shield forests Mingan Archipelago National Park Reserve Mississippi lowland forests Mojave desert Montana Valley and Foothill grasslands Montezuma Castle National Monument Morristown National Historical Park Mount Revelstoke National Park Muskwa-Slave Lake forests Nahanni National Park Reserve Nebraska Sand Hills mixed grasslands New England-Acadian forests New Jersey Pinelands Biosphere Reserve New River Gorge National River Newfoundland Highland forests Niagara Escarpment Biosphere Reserve North America North Central Rockies forests Northeastern coastal forests Northern California coastal forests Northern Canadian Shield taiga Northern Cordillera forests Northern mixed grasslands Northern short grasslands Northern tall grasslands Northern transitional alpine forests Oak Ridge National Environmental Research Park Ogilvie-MacKenzie alpine tundra Okanagan dry forests Olympic Biosphere Reserve Oregon Caves National Monument Ozark Mountain forests Ozark National Scenic Riverways Pacific Coastal Mountain icefields and tundra Palouse grasslands 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 Redwood National Park 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 Saint-Gaudens National Historic Site San Joaquin Biosphere Reserve Saratoga National Historical Park Scotts Bluff National Monument Sevilleta LTER Site Shenandoah National Park Shortgrass Steppe LTER Site Sleeping Bear Dunes National Lakeshore Snake-Columbia shrub steppe South Atlantic Coastal Plain Biosphere Reserve 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 Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Valley Forge National Historical Park Vina Plains Preserve Voyageurs 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 Wood Buffalo National Park Woodland Caribou Provincial Wilderness Park Wyoming Basin shrub steppe Yellowstone Biosphere Reserve Yoho National Park Yosemite National Park