Diet Overlap

Clangula hyemalis (Oldsquaw)
Cerorhinca monocerata (Rhinoceros Auklet)

Common Diet

Ammodytes hexapterus (Stout sand lance)

Common Habitat

Alaska Maritime National Wildlife Refuge
Aleutian Islands Biosphere Reserve
Cabrillo National Monument
California Coast Ranges Biosphere Reserve
Elkhorn Slough Preserve
Farallon National Wildlife Refuge
Glacier Bay National Park and Preserve
Gwaii Haanas National Park Reserve
Japan
North America
Olympic Biosphere Reserve
Pacific Rim National Park Reserve
Point Reyes National Seashore
Redwood National Park
San Juan Island National Historical Park
Santa Monica Mountains National Recreation Area
South Sakhalin-Kurile mixed forests

Attributes / relations provided by
♦ 1Winter feeding ecology and trophic relationships of Oldsquaws and White-winged Scoters on Kachemak Bay, Alaska, Gerald A. Sanger and Robert D. Jones, Jr., Canadian Wildlife Service, 1984
♦ 2Diving depths, diet, and underwater foraging of Rhinoceros Auklets in British Columbia, Alan E. Burger, Rory P. Wilson, Don Garnier and Marie-Pierre T. Wilson, Canadian Journal of Zoology Vol. 71: 2528-2540 (1993)