Diet Overlap

Anas discors (Blue-winged Teal)
Aythya americana (Redhead)

Common Diet

Japonactaeon punctostriatus (apitted baby-bubble)
Phrontis vibex (bruised nassa)

Common Habitat

Agate Fossil Beds National Monument
Alberta-British Columbia foothills forests
Aleutian Islands Biosphere Reserve
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
Arizona Mountains forests
Arkansas Post National Memorial
Assateague Island National Seashore
Atlantic coastal pine barrens
Audubon National Wildlife Refuge
Badlands National Park
Bajío dry forests
Balsas dry forests
Banff National Park
Beaver Creek Biosphere Reserve
Big Bend Biosphere Reserve
Big Cypress National Preserve
Bighorn Canyon National Recreation Area
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Blue Mountains forests
Bombay Hook National Wildlife Refuge
Bruce Peninsula National Park
Bryce Canyon National Park
Buffalo National River
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
Canaveral National Seashore
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Capital Reef National Park
Carlsbad Caverns National Park
Carolinian-South Atlantic Biosphere Reserve
Cedar Creek LTER Site
Central American dry forests
Central and Southern mixed grasslands
Central forest-grasslands transition
Central Gulf Coastal Plain Biosphere Reserve
Central Plains Biosphere Reserve
Central tall grasslands
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Chattahoochee River National Recreation Area
Chesapeake & Ohio Canal National Hist. Park
Chickasaw National Recreation Area
Chihuahuan desert
Colonial National Historic Park
Colorado Plateau shrublands
Colorado Rockies forests
Creighton Ranch Preserve
Crosswinds Marsh
Curecanti National Recreation Area
Cuyahoga Valley National Park
De Soto National Wildlife Refuge
Death Valley National Park
Deer Flat National Wildlife Refuge
Denali Biosphere Reserve
Dinosaur National Monument
East Central Texas forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Effigy Mounds National Monument
Elk Island National Park
Elkhorn Slough Preserve
Everglades
Fathom Five National Marine Park
Flint Hills tall grasslands
Fort Pulaski National Monument
Fraser Plateau and Basin complex
Gateway National Recreation Area
Georgian Bay Islands National Park
Glacier National Park
Glen Canyon National Recreation Area
Grand Canyon National Park
Grasslands National Park
Gray Lodge State Wildlife Area
Great Basin National Park
Great Basin shrub steppe
Guadalupe Mountains National Park
Gulf Islands National Park
Gwaii Haanas National Park Reserve
Hot Springs National Park
Indiana Dunes National Lakeshore
Interior Alaska-Yukon lowland taiga
Interior Yukon-Alaska alpine tundra
Jalisco dry forests
Jasper National Park
Kern River Preserve
Kluane National Park and Reserve
Kootenay National Park
Lacassine National Wildlife Refuge
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
Lava Beds National Monument
Little St. Simons Island
Long Point Biosphere Reserve
Madrean Pine-Oak Woodlands
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Mesoamerica
Mid-Continental Canadian forests
Middle Atlantic coastal forests
Midwestern Canadian Shield forests
Mississippi lowland forests
Mojave and Colorado Deserts Biosphere Reserve
Montana Valley and Foothill grasslands
Mount Arrowsmith
Muskwa-Slave Lake forests
Nahanni National Park Reserve
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
Nez Perce National Historical Park
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
Oaxacan montane forests
Ogilvie-MacKenzie alpine tundra
Okefenokee National Wildlife Refuge
Olympic Biosphere Reserve
Organ Pipe Cactus Biosphere Reserve
Ozark Mountain forests
Padre Island National Seashore
Paine Preserve
Pantanos de Centla
Petén-Veracruz moist forests
Philip L. Boyd Deep Canyon Desert Research Center
Pictured Rocks National Lakeshore
Piney Woods forests
Pipe Spring National Monument
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Pukaskwa National Park
Redberry Lake Biosphere Reserve
Redwood National Park
Riding Mountain Biosphere Reserve
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Salt Plains National Wildlife Refuge
San Joaquin Biosphere Reserve
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Shortgrass Steppe LTER Site
Sierra de la Laguna dry forests
Sierra de la Laguna pine-oak forests
Sierra de los Tuxtlas
Sierra Juarez and San Pedro Martir pine-oak forests
Sierra Madre de Oaxaca pine-oak forests
Sierra Madre Occidental pine-oak forests
Sierra Madre Oriental pine-oak forests
Sinaloan dry forests
Sleeping Bear Dunes National Lakeshore
Snake-Columbia shrub steppe
South Atlantic Coastal Plain Biosphere Reserve
South Central Rockies forests
Southern Great Lakes forests
Southern Pacific dry forests
Tawas Point State Park
Tennessee River Gorge
Texas blackland prairies
Trans-Mexican Volcanic Belt pine-oak forests
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Valley Forge National Historical Park
Veracruz dry forests
Veracruz moist forests
Veracruz montane forests
Virginia Coast Biosphere Reserve
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
White Sands National Monument
Wind Cave National Park
Wood Buffalo National Park
Wrangell-St. Elias National Park and Preserve
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yoho National Park
Zion National Park

Attributes / relations provided by
1Cirtwill, Alyssa R.; Eklöf, Anna (2018), Data from: Feeding environment and other traits shape species' roles in marine food webs, Dataset, https://doi.org/10.5061/dryad.1mv20r6
2FOOD HABITS OF REDHEADS (AYTHYA AMERICANA) WINTERING IN SEAGRASS BEDS OF COASTAL LOUISIANA AND TEXAS, USA, MICHOT, T. C., WOODIN, M. C. and NAULT, A. J., Acta Zoologica Academiae Scientiarum Hungaricae 54 (Suppl. 1), pp. 239–250, 2008