Attributes / relations provided by
♦ 1CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
♦ 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 GalloReynoso, Marine Ornithology 32: 159165 (2004)
♦ 3Jorrit 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.
♦ 4FEEDING ECOLOGY OF THE DARK-RUMPED PETREL IN THE GALAPAGOS ISLANDS, M. J. Imber, J. B. Cruz, J. S. Grove, R. J. Lavenberg, C. C. Swift, F. Cruz, The Condor 94:437-447 (1992)