Diet Overlap

Hydroprogne caspia (Caspian Tern)
Cerorhinca monocerata (Rhinoceros Auklet)

Common Diet

Allosmerus elongatus (Whitebait smelt)
Oncorhynchus keta (Calico salmon)

Common Habitat

Baja California desert
Cabrillo National Monument
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
Elkhorn Slough Preserve
Farallon National Wildlife Refuge
Gwaii Haanas National Park Reserve
North America
Olympic Biosphere Reserve
Pacific Rim National Park Reserve
Point Reyes National Seashore
Redwood National 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)