Diet Overlap

Cepphus columba (Pigeon Guillemot)
Cerorhinca monocerata (Rhinoceros Auklet)

Common Diet

Ammodytes hexapterus (Stout sand lance)
Hypomesus pretiosus (Surf smelt)

Common Habitat

Alaska Maritime National Wildlife Refuge
Aleutian Islands Biosphere Reserve
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
Channel Islands National Marine Sanctuary
Channel Islands National Park
Elkhorn Slough Preserve
Farallon National Wildlife Refuge
Glacier Bay National Park and Preserve
Gulf Islands National Park
Gwaii Haanas National Park Reserve
North America
Olympic Biosphere Reserve
Pacific Rim National Park Reserve
Point Reyes National Seashore
Redwood National Park
San Juan Island National Historical Park
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area

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
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)