Diet Overlap

Ptychoramphus aleuticus (Cassin's Auklet)
Megaptera novaeangliae (Humpback Whale)

Common Diet

Euphausia pacifica (Pacific krill)
Thysanoessa spinifera

Common Habitat

California Coast Ranges Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Farallon National Wildlife Refuge
Glacier Bay National Park and Preserve
Gwaii Haanas National Park Reserve
Pacific Rim National Park Reserve
Point Reyes National Seashore
Redwood National Park

Attributes / relations provided by
1Ocean climate, euphausiids and auklet nesting: inter-annual trends and variation in phenology, diet and growth of a planktivorous seabird, Ptychoramphus aleuticus, Christine L. Abraham, William J. Sydeman, MARINE ECOLOGY PROGRESS SERIES, Vol. 274: 235–250, 2004
2Food 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