Fig. 2From: State-dependent capital and income breeding: a novel approach to evaluating individual strategies with stable isotopesYearly differences in lipid-free yolk δ13C values. Years 2010 (N = 21) and 2012 (N = 23) differed significantly from 2011 (N = 26), but only marginally significantly from one another (whiskers exhibit the range of the data)Back to article page