Diet Overlap

Podiceps grisegena (Red-necked Grebe)
Aechmophorus occidentalis (Western Grebe)

Common Diet

Clupea pallasii pallasii (Pacific herring)

Common Habitat

Audubon National Wildlife Refuge
Banff National Park
California Coast Ranges Biosphere Reserve
Cape Hatteras National Seashore
Carolinian-South Atlantic Biosphere Reserve
Central and Southern Cascades forests
Central tall grasslands
Death Valley National Park
Elk Island National Park
Elkhorn Slough Preserve
Farallon National Wildlife Refuge
Glacier Bay National Park and Preserve
Glen Canyon National Recreation Area
Golden Gate National Recreation Area
Grasslands National Park
Gulf Islands National Park
Indiana Dunes National Lakeshore
Jasper National Park
Kootenay National Park
Lake Chelan National Recreation Area
Lake Roosevelt National Recreation Area
Lava Beds National Monument
Mid-Continental Canadian forests
Mojave and Colorado Deserts Biosphere Reserve
Mount Arrowsmith
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northern tall grasslands
Olympic Biosphere Reserve
Pacific Rim National Park Reserve
Point Reyes National Seashore
Prince Albert National Park
Puget lowland forests
Redberry Lake Biosphere Reserve
Redwood National Park
Riding Mountain Biosphere Reserve
Rocky Mountain Biosphere Reserve
Saint Croix International Historic Site
San Juan Island National Historical Park
Snake-Columbia shrub steppe
Upper Midwest forest-savanna transition
Virginia Coast Biosphere Reserve
Voyageurs National Park
Waterton Biosphere Reserve
Western Great Lakes forests
Yellowstone Biosphere Reserve
Yoho National Park

Attributes / relations provided by
♦ 1Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979