Diet Overlap

Ictalurus punctatus (Channel catfish) Ondatra zibethicus (muskrat)

Common Diet

Lampsilis radiata (eastern lampmussel) Lithobates catesbeianus (American Bullfrog) Ulmus americana (American elm)

Common Habitat

Alaska & Canada Pacific Coastal Algonquin Provincial Park Amistad National Recreation Area Audubon National Wildlife Refuge Big Thicket Biosphere Reserve Bighorn Canyon National Recreation Area Buffalo National River Canyonlands National Park Central & Western Europe Champlain-Adirondack Biosphere Reserve Chesapeake Bay Columbia Glaciated Congaree Swamp National Park Devils Tower National Monument Fathom Five National Marine Park George Washington Memorial Parkway Great Smoky Mountains National Park Horseshoe Bend National Military Park Jean Lafitte National Hist. Park & Preserve Lacassine National Wildlife Refuge Lake Meredith National Recreation Area Land Between the Lakes Biosphere Reserve Laurentian Great Lakes Mammoth Cave Area Biosphere Reserve (Natn'l Park) New Jersey Pinelands Biosphere Reserve New River Gorge National River Niagara Escarpment Biosphere Reserve Northeast US & Southeast Canada Atlantic Drainages Oak Ridge National Environmental Research Park Sacramento - San Joaquin Saint Lawrence Islands National Park South Atlantic Coastal Plain Biosphere Reserve Southern Appalachian Biosphere Reserve Upper Miss. River Nat'l Wildlife Refuge Whiskey-Shasta-Trinity National Recreation Area