Diet Overlap

Ardea herodias (Great Blue Heron)
Egretta thula (Snowy Egret)

Common Diet

Atherinops affinis (Topsmelt silverside)
Fundulus parvipinnis (California killifish)

Common Habitat

Algonquin Provincial Park
Allegheny Highlands forests
Alto Golfo de California y Delta del Rio Colorado
Amazon-Orinoco-Southern Caribbean mangroves
Amistad National Recreation Area
Anza-Borrego Desert State Park, CA
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arches National Park
Archipelago Golfo de Fonseca
Archipiélago Los Roques National Park
Arizona Mountains forests
Assateague Island National Seashore
Atlantic coastal pine barrens
Atlantic Forest
Audubon National Wildlife Refuge
Badlands National Park
Bahamian pine mosaic
Bahamoan-Antillean mangroves
Baja California desert
Bajío dry forests
Balsas dry forests
Banco Chinchorro
Bandelier National Monument
Barra de Santiago Wildlife Refuge
Barro Colorado Island
Belizean pine forests
Bermuda subtropical conifer forests
Big Bend Biosphere Reserve
Big Cypress National Preserve
Big Morongo Canyon Preserve
Big Thicket Biosphere Reserve
Bighorn Canyon National Recreation Area
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
Bryce Canyon 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
Canaveral National Seashore
Canyonlands National Park
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Capital Reef National Park
Caribbean Islands
Caribbean shrublands
Carlsbad Caverns National Park
Carolinian-South Atlantic Biosphere Reserve
Central American Atlantic moist forests
Central American dry forests
Central American montane forests
Central American pine-oak forests
Central and Southern Cascades forests
Central and Southern mixed grasslands
Central forest-grasslands transition
Central Gulf Coastal Plain Biosphere Reserve
Central Mexican matorral
Central Pacific coastal forests
Central tall grasslands
Central U.S. hardwood forests
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chattahoochee River National Recreation Area
Chesapeake & Ohio Canal National Hist. Park
Chiapas Depression dry forests
Chiapas montane forests
Chihuahuan desert
Chimalapas montane forests
Chiricahua National Monument
Chocó-Darién moist forests
Ciénaga de Zapata National Park
Cockscomb Basin Wildlife Sanctuary
Colonial National Historic Park
Colorado Plateau shrublands
Congaree Swamp National Park
Corcovado National Park
Cordillera Volcanica Central
Costa Rican seasonal moist forests
Cosumnes River Preserve
Creighton Ranch Preserve
Cuban cactus scrub
Cuban dry forests
Cuban moist forests
Cuban pine forests
Cuban wetlands
Cuero y Salado Wildlife Refuge
Cumberland Island National Seashore
Curecanti National Recreation Area
Death Valley National Park
Deer Flat National Wildlife Refuge
Dinosaur National Monument
Dos Palmas Preserve
Dye Creek Preserve
Dzilam de Bravo
East Central Texas forests
Eastern Cascades forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwards Plateau savanna
Edwin S. George Reserve
Effigy Mounds National Monument
El Malpais National Monument
El Parque Estatal Lagunas de Yalahau
Elkhorn Slough Preserve
Enriquillo wetlands
Estación Biológica El Frío
Everglades
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Felsenthal National Wildlife Refuge
Fire Island National Seashore
Flint Hills tall grasslands
Florida Keys National Marine Sanctuary
Fort Caroline National Memorial
Fort Matanzas National Monument
Fort Pulaski National Monument
Fundy National Park
Galápagos Islands scrubland mosaic
Gateway National Recreation Area
George Washington Memorial Parkway
Glen Canyon National Recreation Area
Golden Gate National Recreation Area
Grand Canyon National Park
Gray Lodge State Wildlife Area
Great Basin montane forests
Great Basin National Park
Great Basin shrub steppe
Great Swamp National Wildlife Refuge
Green Cay National Wildlife Refuge
Guadeloupe Archipelago
Gulf of California xeric scrub
Gulf of St. Lawrence lowland forests
Hispaniolan dry forests
Hispaniolan moist forests
Hispaniolan pine forests
Horicon National Wildlife Refuge
Île-à-Vache
Isla Mujeres, Punta Cancun y Punta Nizuc
Isthmian-Atlantic moist forests
Isthmian-Pacific moist forests
Jalisco dry forests
Jamaican dry forests
Jamaican moist forests
Jardin Botánico Lancetilla
Jean Lafitte National Hist. Park & Preserve
Jeanette Kawas National Park
Jepson Prairie Preserve
Joshua Tree National Park
Kaloko-Honokohau National Historical Park
Kern River Preserve
Klamath-Siskiyou forests
La Amistad International Park
La Selva Biological Station
Lacassine National Wildlife Refuge
Lago de Yojoa Multiple Use Reserve
Laguna del Tigre National Park
Lake Mead National Recreation Area
Land Between the Lakes Biosphere Reserve
Lanphere-Christensen Dunes Preserve
Lassen Volcanic National Park
Lava Beds National Monument
Leeward Islands moist forests
Lesser Antillean dry forests
Little River National Wildlife Refuge
Little St. Simons Island
Long Point Biosphere Reserve
Madrean Pine-Oak Woodlands
Magdalena-Urabá moist forests
Maya
Mesa Verde National Park
Meseta Central matorral
Mesoamerica
Mesoamerican Gulf-Caribbean mangroves
Middle Atlantic coastal forests
Miskito pine forests
Mississippi lowland forests
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Montana Valley and Foothill grasslands
Montes Azules
Morrocoy National Park
Motagua Valley thornscrub
Nancuchiname Forest Wildlife Refuge
Natural Bridges National Monument
Nebraska Sand Hills mixed grasslands
New England-Acadian forests
Niagara Escarpment Biosphere Reserve
Nipomo Dunes Preserve
North America
Northeastern coastal forests
Northern California coastal forests
Northern Mesoamerican Pacific mangroves
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
Oak Ridge National Environmental Research Park
Oaxacan montane forests
Ocmulgee National Monument
Okanagan dry forests
Okefenokee National Wildlife Refuge
Organ Pipe Cactus Biosphere Reserve
Ozark Mountain forests
Padre Island National Seashore
Paine Preserve
Palo Verde National Park
Palouse grasslands
Panamanian dry forests
Pantanos de Centla
Parque Nacional Henri Pittier
Petén-Veracruz moist forests
Petrified Forest National Park
Philip L. Boyd Deep Canyon Desert Research Center
Piney Woods forests
Point Reyes National Seashore
Puerto Rican dry forests
Puerto Rican moist forests
Puget lowland forests
Redwood National Park
Reserva de la Biosfera de Sian Ka'an
Reserva de la Biosfera El Vizcaino
Reserva de la Biosfera Sierra Gorda
Reserva de Mapimi
Río Plátano Biosphere Reserve
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Croix International Historic Site
San Diego y La Barra National Park
San Dimas Biosphere Reserve
San Lucan xeric scrub
Sandy Point National Wildlife Refuge
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Sarstoon Temash National Park
Seaflower
Sequoia and Kings Canyon Biosphere Reserve
Sevilleta LTER Site
Shipstern Nature 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 Chiapas moist forest
Sierra Madre de Oaxaca pine-oak forests
Sierra Madre del Sur pine-oak forests
Sierra Madre Occidental pine-oak forests
Sierra Madre Oriental pine-oak forests
Sierra Nevada de Santa Marta (incl. Tayrona NP)
Sierra Nevada forests
Sinaloan dry forests
Sinú Valley dry forests
Snake-Columbia shrub steppe
Sonoran desert
Sonoran-Sinaloan transition subtropical dry forest
South American Pacific mangroves
South Atlantic Coastal Plain Biosphere Reserve
Southeastern conifer forests
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southern Mesoamerican Pacific mangroves
Southern Pacific dry forests
Sunset Crater Volcano National Monument
Talamancan montane forests
Tamaulipan matorral
Tamaulipan mezquital
Tawas Point State Park
Tehuacán Valley matorral
Texas blackland prairies
Tikal National Park
Tomales Bay State Park
Trans-Mexican Volcanic Belt pine-oak forests
Trinidad and Tobago moist forests
Tuabaquey - Limones Ecological Reserve
Tumbes-Choco-Magdalena
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
Vicksburg National Military Park
Virginia Coast Biosphere Reserve
Western Great Lakes forests
Western Gulf Coastal grasslands
Western short grasslands
White Sands National Monument
Willamette Valley forests
Windward Islands moist forests
Wupatki National Monument
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Yucatán dry forests
Yucatán moist forests
Zion National Park

Attributes / relations provided by
♦ 1Lafferty, K. D., R. F. Hechinger, J. C. Shaw, K. L. Whitney and A. M. Kuris (in press) Food webs and parasites in a salt marsh ecosystem. In Disease ecology: community structure and pathogen dynamics (eds S. Collinge and C. Ray). Oxford University Press, Oxford.