Attributes / relations provided by
♦ 1Changes in the diet of Great Black-backed Gulls Larus marinus on Skomer Island 1958- 1992, Jim Poole, SEABIRD 17; 50-55
♦ 2Nocturnal foraging by great skuas Stercorarius skua: implications for conservation of storm-petrel populations, Stephen C. Votier, Jonathan E. Crane, Stuart Bearhop, Ana de León, Claire A. McSorley, Eduardo Mínguez, Ian P. Mitchell, Matthew Parsons, Richard A. Phillips, Robert W. Furness, J Ornithol (2005)