Diet Overlap

Perca flavescens (Yellow perch)
Aythya affinis (Lesser Scaup)

Common Diet

Hyalella azteca (Scud)

Common Habitat

Algonquin Provincial Park
Audubon National Wildlife Refuge
Bighorn Canyon National Recreation Area
Bruce Peninsula National Park
Cape Cod National Seashore
Central Gulf Coastal Plain Biosphere Reserve
Champlain-Adirondack Biosphere Reserve
Colonial National Historic Park
Fathom Five National Marine Park
Georgian Bay Islands National Park
Greenwater Provincial Park
Horicon National Wildlife Refuge
Indiana Dunes National Lakeshore
Isle Royale Biosphere Reserve
Lake Meredith National Recreation Area
New River Gorge National River
Niagara Escarpment Biosphere Reserve
Olympic Biosphere Reserve
Point Pelee National Park
Prince Albert National Park
Pukaskwa National Park
Riding Mountain Biosphere Reserve
Saguenay - St. Lawrence Marine Park
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
Voyageurs National Park
Wood Buffalo National Park

Attributes / relations provided by
♦ 1Patterns 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