Diet Overlap

Cyprinus carpio (Common carp) Anas platyrhynchos (Mallard)

Common Diet

Anax junius (green darner) Calopteryx maculata (Ebony jewelwing) Corydalus cornutus (dobsonfly) Lampsilis radiata (eastern lampmussel) Lemna minor (common duckweed) Pontederia cordata (Pickerel Weed) Potamogeton lucens (long-leaf pondweed) Zizania aquatica (annual wildrice)

Common Habitat

Aggtelek Biosphere Reserve Amistad National Recreation Area Amudarya Zapovednik Belovezhskaya Pushcha Biosphere Reserve Bialowieza National Park Bighorn Canyon National Recreation Area Bombay Hook National Wildlife Refuge Bruce Peninsula National Park Burgasko ezero Canyonlands National Park Central Gulf Coastal Plain Biosphere Reserve Champlain-Adirondack Biosphere Reserve Chickasaw National Recreation Area Ciénaga de Zapata National Park Codru (Kodry) Zapovednik Colonial National Historic Park Congaree Swamp National Park Cosumnes River Preserve Darvinsky Zapovednik Devils Tower National Monument DOÑANA Fathom Five National Marine Park Flusslandschaft Elbe Biosphere Reserve George Washington Memorial Parkway Grasslands National Park Great Swamp National Wildlife Refuge Homestead National Monument of America Hopewell Furnace National Historic Site Horseshoe Bend National Military Park Hortobágy National Park Humber Estuary Indiana Dunes National Lakeshore Karadagskiy Zapovednik Kavkazskiy Biosphere Reserve Khazar Zapovednik Kiskunsag Biosphere Reserve Lacassine National Wildlife Refuge Lake Meredith National Recreation Area Lake Roosevelt National Recreation Area Lampertheimer Altrhein Little River National Wildlife Refuge Luberon Mammoth Cave Area Biosphere Reserve (Natn'l Park) Mount Arrowsmith Neusiedler See-Osterreichischer Teil New Jersey Pinelands Biosphere Reserve New River Gorge National River Niagara Escarpment Biosphere Reserve Nipomo Dunes Preserve Oak Ridge National Environmental Research Park Palava Protected Landscape Area Paul do Boquilobo Biosphere Reserve Pipe Spring National Monument Pipestone National Monument Point Pelee National Park Polana Biosphere Reserve Prespa National Park Reserva de la Biosfera de Doñana Reserve Srebarna Saguenay - St. Lawrence Marine Park Saint Croix International Historic Site Saint Lawrence Islands National Park Schaalsee Schorfheide-Chorin Shiga Highland Sleeping Bear Dunes National Lakeshore Southern Appalachian Biosphere Reserve Spreewald Srebarna Studenetz Upper Miss. River Nat'l Wildlife Refuge Valley Forge National Historical Park Vessertal-Thuringian Forest Biosphere Reserve Voronezhskiy Biosphere Reserve Wilson's Creek National Battlefield