Attributes / relations provided by
♦ ¹Population 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)
♦ ²THE 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)