Diet Overlap

Ictalurus punctatus (Channel catfish)
Aythya affinis (Lesser Scaup)

Common Diet

Hyalella azteca (Scud)

Common Habitat

Algonquin Provincial Park
Amistad National Recreation Area
Audubon National Wildlife Refuge
Bighorn Canyon National Recreation Area
Buffalo National River
Canyonlands National Park
Central Gulf Coastal Plain Biosphere Reserve
Champlain-Adirondack Biosphere Reserve
Colonial National Historic Park
Fathom Five National Marine Park
Florida Keys National Marine Sanctuary
Golden Gate National Recreation Area
Great Smoky Mountains National Park
Jean Lafitte National Hist. Park & Preserve
Lacassine National Wildlife Refuge
Lake Meredith National Recreation Area
Land Between the Lakes Biosphere Reserve
Little River National Wildlife Refuge
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
New River Gorge National River
Niagara Escarpment Biosphere Reserve
Okefenokee National Wildlife Refuge
Saint Croix International Historic Site
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

Attributes / relations provided by
♦ 1Study of Northern Virginia Ecology
♦ 2Patterns of prey use by lesser scaup Aythya affinis (Aves) and diet overlap with fishes during spring migration, Kimberly A. Strand, Steven R. Chipps, Sharon N. Kahara, Kenneth F. Higgins, Spencer Vaa, Hydrobiologia (2008) 598:389–398