Diet Overlap

Mergus merganser (Common Merganser)
Haliaeetus leucocephalus (Bald Eagle)

Common Diet

Oncorhynchus clarkii (Cutthroat trout)

Common Habitat

Acadia National Park
Alaska-St. Elias Range tundra
Alberta Mountain forests
Alberta-British Columbia foothills forests
Aleutian Islands Biosphere Reserve
Aleutian Islands tundra
Algonquin Provincial Park
Allegheny Highlands forests
Alto Golfo de California y Delta del Rio Colorado
Apostle Islands National Lakeshore
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arches National Park
Arctic National Wildlife Refuge
Arizona Mountains forests
Arkansas Post National Memorial
Atlantic coastal pine barrens
Audubon National Wildlife Refuge
Aztec Ruins National Monument
Badlands National Park
Bandelier National Monument
Banff National Park
Bighorn Canyon National Recreation Area
Black Canyon of the Gunnison National Park
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Blue Mountains forests
Boggs Lake Preserve
Bombay Hook National Wildlife Refuge
British Columbia mainland coastal forests
Bruce Peninsula National Park
Bryce Canyon National Park
Buffalo National River
California Central Valley grasslands
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
California montane chaparral and woodlands
Canadian Aspen forests and parklands
Canyonlands National Park
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Romain National Wildlife Refuge
Capital Reef National Park
Carlsbad Caverns National Park
Carolinian-South Atlantic Biosphere Reserve
Carrizo Plain Preserve
Cascade Mountains leeward forests
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 Plains Biosphere Reserve
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chattahoochee River National Recreation Area
Chihuahuan desert
Chippewa Nature Center
Colonial National Historic Park
Colorado Plateau shrublands
Colorado Rockies forests
Cook Inlet taiga
Copper Plateau taiga
Corbett National Park
Crater Lake National Park
Creighton Ranch Preserve
Crosswinds Marsh
Cumberland Island National Seashore
Curecanti National Recreation Area
De Soto National Wildlife Refuge
Death Valley National Park
Deer Flat National Wildlife Refuge
Denali Biosphere Reserve
Devil's Postpile National Monument
Dinosaur National Monument
Dye Creek Preserve
East Central Texas forests
Eastern Canadian forests
Eastern Cascades forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwards Plateau savanna
Effigy Mounds National Monument
Elk Island National Park
Elkhorn Slough Preserve
Everglades
Fathom Five National Marine Park
Flint Hills tall grasslands
Florida sand pine scrub
Forillon National Park
Fort Pulaski National Monument
Fraser Plateau and Basin complex
Fundy National Park
Gateway National Recreation Area
George Washington Birthplace National Monument
Georgian Bay Islands National Park
Glacier National Park
Glen Canyon National Recreation Area
Grand Canyon National Park
Grand Portage National Monument
Grand Teton National Park
Gray Lodge State Wildlife Area
Great Basin montane forests
Great Basin National Park
Great Basin shrub steppe
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Gros Morne National Park
Gulf of St. Lawrence lowland forests
Gwaii Haanas National Park Reserve
H.J. Andrews Biosphere Reserve
Heath and Marjorie Angelo Coast Range Preserve
Horicon National Wildlife Refuge
Hot Springs National Park
Indiana Dunes National Lakeshore
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Isle Royale Biosphere Reserve
Ivvavik National Park
Jasper National Park
Joshua Tree National Park
Kejimkujik National Park
Kejimkujik Seaside Adjunct
Kern River Preserve
Klamath-Siskiyou forests
Kluane National Park and Reserve
Knife River Indian Villages National Hist. Site
Kootenay National Park
Kouchibouguac National Park
La Mauricie National Park
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
Little St. Simons Island
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
McCloud River Preserve
Mesa Verde National Park
Mid-Continental Canadian forests
Middle Atlantic coastal forests
Mingan Archipelago National Park Reserve
Mississippi lowland forests
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Montana Valley and Foothill grasslands
Morristown National Historical Park
Mount Arrowsmith
Mount Rainier National Park
Mount Revelstoke National Park
Muskwa-Slave Lake forests
Nahanni National Park Reserve
National Capital Region - East
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
Newfoundland Highland forests
Nez Perce National Historical Park
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern California coastal forests
Northern Cordillera forests
Northern mixed grasslands
Northern Pacific coastal forests
Northern short grasslands
Northern tall grasslands
Northern transitional alpine forests
Northwest Territories taiga
Ogilvie-MacKenzie alpine tundra
Okanagan dry forests
Olympic Biosphere Reserve
Ozark Mountain forests
Ozark National Scenic Riverways
Pacific Coastal Mountain icefields and tundra
Pacific Rim National Park Reserve
Paine Preserve
Palouse grasslands
Pictured Rocks National Lakeshore
Piney Woods forests
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Prince Edward Island National Park
Puget lowland forests
Pukaskwa National Park
Queen Charlotte Islands
Redberry Lake Biosphere Reserve
Redwood National Park
Reserva de la Biosfera El Vizcaino
Reserve de la Biosphere de Charlevoix
Riding Mountain Biosphere Reserve
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Roosevelt Vanderbilt National Historic Site
Saguenay - St. Lawrence Marine Park
Saint Croix International Historic Site
Saint Lawrence Islands National Park
San Joaquin Biosphere Reserve
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Saratoga National Historical Park
Scotts Bluff National Monument
Sequoia and Kings Canyon Biosphere Reserve
Sevilleta LTER Site
Shortgrass Steppe LTER Site
Sierra Nevada forests
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
South Atlantic Coastal Plain Biosphere Reserve
South Avalon-Burin oceanic barrens
South Central Rockies forests
South Florida rocklands
Southeastern conifer forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southern Hudson Bay taiga
Southwest Nova Biosphere Reserve
Tawas Point State Park
Tennessee River Gorge
Terra Nova National Park
Texas blackland prairies
Tuktut Nogait National Park
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
Whiskey-Shasta-Trinity National Recreation Area
Willamette Valley forests
Winisk River Provincial Park
Wood Buffalo National Park
Woodland Caribou Provincial Wilderness Park
Wrangell-St. Elias National Park and Preserve
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yoho National Park
Yosemite National Park
Yukon Interior dry forests
Zion National Park

Attributes / relations provided by
♦ 1National Geographic Magazine - May 2016 - Yellowstone - The Carnivore Comeback
♦ 2Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979