Raffield, BenPrice, NeilCollard, Mark2017-06-062017-06-062017-05Raffield, B, Price, N & Collard, M 2017, 'Male-biased operational sex ratios and the Viking phenomenon : an evolutionary anthropological perspective on Late Iron Age Scandinavian raiding', Evolution and Human Behavior, vol. 38, no. 3, pp. 315-324. https://doi.org/10.1016/j.evolhumbehav.2016.10.0131090-5138http://hdl.handle.net/2164/8759Acknowledgements We would like to thank Laura Whitehouse, John Carman, Oliver Grimm, Julie Lund, Bjørnar Olsen, two anonymous reviewers, and the editor for their comments and suggestions on earlier versions of this paper. We also thank Alex Woolf for providing us with a copy of his forthcoming article on the Vikings in Ireland. Lastly, we are grateful to Luke Glowacki, Shane McFarlane, and Ryan Schacht for their insights about raiding and OSRs. Needless to say, all remaining errors are our own. Funding BR and MC are supported by the Social Sciences and Humanities Research Council of Canada through a Partnership Grant (895-2011-1009) awarded to the Cultural Evolution of Religion Research Consortium (www.ubc/hecc/cerc). MC is also supported by the Canada Research Chairs Program, the Canada Foundation for Innovation, the British Columbia Knowledge Development Fund, and Simon Fraser University. NP is supported by a Swedish Research Council grant for "The Viking Phenomenon" project (2015-00466).10892994engVikingsLate Iron Age ScandinaviaraidingpolygynyconcubinageOperational Sex Ratiomale-male competitionCC ArchaeologyCCJournal article10.1016/j.evolhumbehav.2016.10.013383