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Box whisker plots of per cent fat in the femur marrow of individual wolf‐killed elk during early and late winter. Year on the x‐axis refers to the year on 31 December (e.g. 1995 represents the winter of 1995–1996). Data for 30 wolf‐killed elk from 2013–2014 and 2014–2015 are displayed here, although these data were excluded from the analysis (Figure 2)
