Diet Overlap

Larus argentatus (Herring Gull)
Larus delawarensis (Ring-billed Gull)

Common Diet

Dyspanopeus texanus (Gulf grassflat crab)
Menidia beryllina (Waxen silverside)
Processa bermudensis (Bermuda night shrimp)

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
Arkansas Post National Memorial
Atlantic coastal pine barrens
Audubon National Wildlife Refuge
Bahamian pine mosaic
Bahamoan-Antillean mangroves
Baja California desert
Banff National Park
Barro Colorado Island
Bermuda subtropical conifer forests
Biscayne National Park
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Blue Mountains forests
Bombay Hook National Wildlife Refuge
British Columbia mainland coastal forests
Bruce Peninsula National Park
Buenavista
Cabrillo National Monument
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
Calvin College Ecosystem Preserve
Canaveral National Seashore
Cape Breton Highlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Caribbean Islands
Caribbean shrublands
Carolinian-South Atlantic Biosphere Reserve
Cascade Mountains leeward forests
Cedar Creek LTER Site
Central American Atlantic moist forests
Central American dry forests
Central and Southern Cascades forests
Central forest-grasslands transition
Central Gulf Coastal Plain Biosphere Reserve
Central Pacific coastal forests
Central U.S. hardwood forests
Champlain-Adirondack Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chattahoochee River National Recreation Area
Chesapeake & Ohio Canal National Hist. Park
Chihuahuan desert
Chippewa Nature Center
Colonial National Historic Park
Colorado Plateau shrublands
Costa Rican seasonal moist forests
Cosumnes River Preserve
Creighton Ranch Preserve
Crosswinds Marsh
Cuban cactus scrub
Cuban dry forests
Cuban moist forests
Cuban pine forests
Cuban wetlands
Cumberland Island National Seashore
Curecanti National Recreation Area
Cuyahoga Valley National Park
De Soto National Wildlife Refuge
Dee Estuary/ Aber Dyfrdwy
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
Elkhorn Slough Preserve
Enriquillo wetlands
Everglades
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Felsenthal National Wildlife Refuge
Fire Island National Seashore
Florida Keys National Marine Sanctuary
Florida sand pine scrub
Forillon National Park
Fort Caroline National Memorial
Fort Matanzas National Monument
Fort Pulaski National Monument
Fundy National Park
Gateway National Recreation Area
George Washington Birthplace National Monument
George Washington Memorial Parkway
Georgian Bay Islands National Park
Glen Canyon National Recreation Area
Golden Gate National Recreation Area
Grand Canyon National Park
Grand Portage National Monument
Gray Lodge State Wildlife Area
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Greenwater Provincial Park
Gros Morne National Park
Guadalupe Mountains National Park
Gulf of California xeric scrub
Gwaii Haanas National Park Reserve
Hawaii tropical dry forests
Hawaii tropical low shrublands
Hawaii tropical moist forests
Hispaniolan dry forests
Hispaniolan moist forests
Hispaniolan pine forests
Horicon National Wildlife Refuge
Hot Springs National Park
Indiana Dunes National Lakeshore
Isthmian-Pacific moist forests
Jalisco dry forests
Jamaican dry forests
Jamaican moist forests
Jean Lafitte National Hist. Park & Preserve
Jepson Prairie Preserve
Kaloko-Honokohau National Historical Park
Klamath-Siskiyou forests
Knife River Indian Villages National Hist. Site
Kouchibouguac National Park
La Mauricie 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
Leeward Islands moist forests
Lesser Antillean dry forests
Little St. Simons Island
Long Point Biosphere Reserve
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Manassas National Battlefield Park
Mesoamerica
Mesoamerican Gulf-Caribbean mangroves
Mid-Continental Canadian forests
Middle Atlantic coastal forests
Midwestern Canadian Shield forests
Mingan Archipelago National Park Reserve
Mississippi lowland forests
Mojave desert
Morristown National Historical Park
National Capital Parks - Central
New England-Acadian forests
Nez Perce National Historical Park
Niagara Escarpment Biosphere Reserve
Nipomo Dunes Preserve
North America
North Central Rockies forests
Northeastern coastal forests
Northern California coastal forests
Northern Mesoamerican Pacific mangroves
Northern short grasslands
Northern tall grasslands
Northwestern Hawaii scrub
Okanagan dry forests
Olympic Biosphere Reserve
Organ Pipe Cactus Biosphere Reserve
Ozark Mountain forests
Pacific Rim National Park Reserve
Padre Island National Seashore
Palouse grasslands
Panamanian dry forests
Pantanos de Centla
Petén-Veracruz moist forests
Petrified Forest National Park
Pictured Rocks National Lakeshore
Piney Woods forests
Point Pelee National Park
Point Reyes National Seashore
Polar Bear Provincial Park
Prince Albert National Park
Prince Edward Island National Park
Puerto Rican dry forests
Puerto Rican moist forests
Puget lowland forests
Pukaskwa National Park
Redberry Lake Biosphere Reserve
Redwood National Park
Reserva de la Biosfera El Vizcaino
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
Salt Plains National Wildlife Refuge
San Lucan xeric scrub
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Saratoga National Historical Park
Sefton Coast
Sevilleta LTER Site
Sierra de la Laguna dry forests
Sierra de los Tuxtlas
Sierra Madre de Oaxaca pine-oak forests
Sierra Nevada forests
Sinaloan dry 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
South Florida rocklands
Southeastern conifer forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southern Mesoamerican Pacific mangroves
Southern Pacific dry forests
Tamaulipan matorral
Tamaulipan mezquital
Tawas Point State Park
Tennessee River Gorge
Terra Nova National Park
Thomas Stone National Historic Site
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Valley Forge National Historical Park
Veracruz dry forests
Veracruz moist forests
Vicksburg National Military Park
Virginia Coast Biosphere Reserve
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
Windward Islands moist forests
Wrangell-St. Elias National Park and Preserve
Yellowstone Biosphere Reserve
Yoho National Park
Yucatán dry forests
Yucatán moist forests

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