Assessing the importance of individual- and colony-level variation when using seabird foraging ranges as impact assessment and conservation tools by Cleasby, IR, Owen, E, Butler, A, Baer, J, Blackburn, J, Bogdanova, MI, Coledale, T, Daunt, F, Dodd, S, Evans, JC, Green, JA, Guilford, T, Harris, MP, Hughes, R, Newell, MA, Newton, SF, Robertson, GS, Ruffino, L, Shoji, A, Soanes, LM, Votier, SC, Wakefield, ED, Wanless, S, Wilson, LJ, Bolton, M