Diet Overlap

Cerorhinca monocerata (Rhinoceros Auklet)
Fratercula corniculata (Horned Puffin)

Common Diet

Ammodytes hexapterus (Stout sand lance)

Common Habitat

Alaska Maritime National Wildlife Refuge
Aleutian Islands Biosphere Reserve
California Coast Ranges Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Farallon National Wildlife Refuge
Glacier Bay National Park and Preserve
North America
Olympic Biosphere Reserve
Point Reyes National Seashore
Redwood National Park

Attributes / relations provided by
♦ 1Diving 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)
♦ 2Breeding ecology of Horned Puffins (Fratercula corniculata) in Alaska: annual variation and effects of El Niño, A.M.A. Harding, J.F. Piatt, and K.C. Hamer, Can. J. Zool. 81: 1004–1013 (2003)