Attributes / relations provided by
♦ 1BREEDING SEASON DIET OF SHORT-EARED OWLS IN MASSACHUSETTS, DENVER W. HOLT, Wilson Bull., 105(3), 1993, pp. 490-496
♦ 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)