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Magella Guillemette, Ronald C. Ydenberg, John H. Himmelman, The Role of Energy Intake Rate in Prey and Habitat Selection of Common Eiders Somateria mollissima in Winter: A Risk-Sensitive Interpretation, Journal of Animal Ecology, Vol. 61, No. 3 (Oct., 1992), pp. 599-610
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Guillemette et al. (1992) studied this question.
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