Diet Overlap

Larus delawarensis (Ring-billed Gull) Ondatra zibethicus (muskrat)

Common Diet

Lampsilis radiata (eastern lampmussel) Lithobates catesbeianus (American Bullfrog)

Common Habitat

Acadia National Park Algonquin Provincial Park Allegheny Highlands forests Alto Golfo de California y Delta del Rio Colorado Amistad National Recreation Area Apostle Islands National Lakeshore Appalachian mixed mesophytic forests Assateague Island National Seashore Atlantic coastal pine barrens Audubon National Wildlife Refuge 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 Carlsbad Caverns National Park Cascade Mountains leeward forests Catoctin Mountain Park Cedar Creek LTER Site Central and Southern Cascades forests Central forest-grasslands transition Central Pacific coastal forests Central U.S. hardwood forests Champlain-Adirondack Biosphere Reserve Chickasaw National Recreation Area Chihuahuan desert Chippewa Nature Center Colorado Plateau shrublands Congaree Swamp National Park Cosumnes River Preserve Crater Lake National Park Cuyahoga Valley National Park De Soto National Wildlife Refuge Deer Flat National Wildlife Refuge Eastern Canadian forests 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 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 National Park Great Smoky Mountains National Park Great Swamp National Wildlife Refuge Greenwater Provincial Park Gros Morne National Park Gulf of St. Lawrence lowland forests Gwaii Haanas National Park Reserve Hope College Biology Nature Preserve Horseshoe Bend National Military Park Hot Springs National Park Indiana Dunes National Lakeshore Jasper National Park Jean Lafitte National Hist. Park & Preserve 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 Lava Beds National Monument 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 Morristown National Historical Park New England-Acadian forests New River Gorge National River Niagara Escarpment Biosphere Reserve North America North Central Rockies forests Northeastern coastal forests Northern California coastal forests Northern mixed grasslands Northern short grasslands Northern tall grasslands Oak Ridge National Environmental Research Park Okanagan dry forests Olympic Biosphere Reserve Ozark Mountain forests Palouse grasslands Piney Woods forests 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 Riding Mountain Biosphere Reserve Rocky Mountain Biosphere Reserve Rondeau Provincial Park Roosevelt Vanderbilt National Historic Site Saint Lawrence Islands National Park Saratoga National Historical Park Sefton Coast Sevilleta LTER Site Shortgrass Steppe LTER Site Sierra Nevada forests Sleeping Bear Dunes National Lakeshore Snake-Columbia shrub steppe Sonoran desert 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 Tennessee River Gorge Terra Nova National Park Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Valley Forge National Historical Park Voyageurs National Park Wapusk National Park 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 Wrangell-St. Elias National Park and Preserve Yellowstone Biosphere Reserve Yoho National Park Zion National Park