Attributes / relations provided by
♦ ¹Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ ²Population status, foods and foraging of Laysan albatrosses Phoebastria immutabilis nesting on Guadalupe Island, Mexico, Robert L. Pitman, William A. Walker, William T. Everett, Juan Pablo Gallo–Reynoso, Marine Ornithology 32: 159–165 (2004)
♦ ³Black-footed Albatross (Phoebastria nigripes), Agreement on the Conservation of Albatrosses and Petrels – www.acap.aq
♦ ⁴THE PREY OF NEWELL’S SHEARWATER PUFFINUS NEWELLI IN HAWAIIAN WATER, DAVID G. AINLEY, WILLIAM A. WALKER, GREGORY C. SPENCER & NICK D. HOLMES, Marine Ornithology 44: 69–72 (2014)
♦ ⁵DIET OF THE STRIPED DOLPHIN, Stenella coeruleoalba, IN THE EASTERN TROPICAL PACIFIC OCEAN, William F. Perrin, Kelly M. Robertson, and William A. Walker, NOAA Technical Memorandum NMFS, March 2008