Diet Overlap

Cyprinus carpio (Common carp) Larus delawarensis (Ring-billed Gull)

Common Diet

Lampsilis radiata (eastern lampmussel)

Common Habitat

Amistad National Recreation Area Bighorn Canyon National Recreation Area Bombay Hook National Wildlife Refuge Bruce Peninsula National Park Central Gulf Coastal Plain Biosphere Reserve Champlain-Adirondack Biosphere Reserve Chickasaw National Recreation Area Ciénaga de Zapata National Park Colonial National Historic Park Congaree Swamp National Park Cosumnes River Preserve Fathom Five National Marine Park George Washington Memorial Parkway Grasslands National Park Great Swamp National Wildlife Refuge Horseshoe Bend National Military Park Indiana Dunes National Lakeshore Lacassine National Wildlife Refuge Lake Meredith National Recreation Area Lake Roosevelt National Recreation Area Little River National Wildlife Refuge Mammoth Cave Area Biosphere Reserve (Natn'l Park) New River Gorge National River Niagara Escarpment Biosphere Reserve Nipomo Dunes Preserve Oak Ridge National Environmental Research Park Pipe Spring National Monument Point Pelee National Park Saguenay - St. Lawrence Marine Park Saint Croix International Historic Site Saint Lawrence Islands National Park Sleeping Bear Dunes National Lakeshore Southern Appalachian Biosphere Reserve Upper Miss. River Nat'l Wildlife Refuge Valley Forge National Historical Park