Diet Overlap

Calidris alpina (Dunlin)
Calidris pusilla (Semipalmated Sandpiper)

Common Diet

Corophium volutator (mud shrimp)

Common Habitat

Acadia National Park
Aleutian Islands Biosphere Reserve
Algonquin Provincial Park
Alto Golfo de California y Delta del Rio Colorado
Apostle Islands National Lakeshore
Arctic coastal tundra
Arctic foothills tundra
Arctic National Wildlife Refuge
Audubon National Wildlife Refuge
Bahamian pine mosaic
Bahamoan-Antillean mangroves
Beringia lowland tundra
Beringia upland tundra
Bermuda subtropical conifer forests
Big Cypress National Preserve
Biscayne National Park
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Bruce Peninsula National Park
California Coast Ranges Biosphere Reserve
Canaveral National Seashore
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Caribbean Islands
Carolinian-South Atlantic Biosphere Reserve
Central Gulf Coastal Plain Biosphere Reserve
Chattahoochee River National Recreation Area
Ciénaga de Zapata National Park
Colonial National Historic Park
Crosswinds Marsh
Cumberland Island National Seashore
Deer Flat National Wildlife Refuge
Denali Biosphere Reserve
Effigy Mounds National Monument
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Florida Keys National Marine Sanctuary
Forillon National Park
Fort Caroline National Memorial
Fort Matanzas National Monument
Fort Pulaski National Monument
Fundy National Park
Gates of the Arctic National Park
Gateway National Recreation Area
Glacier Bay National Park and Preserve
Grand Canyon National Park
Great Swamp National Wildlife Refuge
Gros Morne National Park
Gwaii Haanas National Park Reserve
Horicon National Wildlife Refuge
Hot Springs National Park
Indiana Dunes National Lakeshore
Ivvavik National Park
Jean Lafitte National Hist. Park & Preserve
Kejimkujik Seaside Adjunct
Kouchibouguac National Park
Lacassine National Wildlife Refuge
Lake Mead National Recreation Area
Lake Superior Provincial Park
Land Between the Lakes Biosphere Reserve
Long Point Biosphere Reserve
Low Arctic tundra
Middle Arctic tundra
Mingan Archipelago National Park Reserve
Minsmere to Walberswick Heaths and Marshes
Niagara Escarpment Biosphere Reserve
Noatak Biosphere Reserve
North America
North Norfolk Coast
Northern Canadian Shield taiga
Okefenokee National Wildlife Refuge
Pacific Rim National Park Reserve
Padre Island National Seashore
Pictured Rocks National Lakeshore
Point Pelee National Park
Point Reyes National Seashore
Polar Bear Provincial Park
Prince Albert National Park
Prince Edward Island National Park
Pukaskwa National Park
Queen Maud Gulf Bird Sanctuary
Redwood National Park
Riding Mountain Biosphere Reserve
Rondeau Provincial Park
Saguenay - St. Lawrence Marine Park
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Salt Plains National Wildlife Refuge
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Sevilleta LTER Site
Sleeping Bear Dunes National Lakeshore
South Atlantic Coastal Plain Biosphere Reserve
Southern Hudson Bay taiga
Tawas Point State Park
Ukkusiksalik National Park
Upper Miss. River Nat'l Wildlife Refuge
Virginia Coast Biosphere Reserve
Voyageurs National Park
Walker Bay Field Station
Wapusk National Park
Wheeler National Wildlife Refuge
Wood Buffalo National Park
Yellowstone Biosphere Reserve

Attributes / relations provided by
♦ 1Energy flow of a boreal intertidal ecosystem, the Sylt-Rømø Bight, Dan Baird, Harald Asmus, Ragnhild Asmus, Mar Ecol Prog Ser 279: 45–61, 2004
♦ 2"Crawling behaviour of the amphipod Corophium volutator and foraging by Semipalmated Sandpipers, Calidris pusilla", J. Sherman Boates, Peter C. Smith, Canadian Journal of Zoology, 1989, 67(2): 457-462