Changes to vertebrate tissue stable isotope (δ¹⁵N) composition during decomposition.

Despite inter-animal variability in fresh diet and fresh tissue δ 15 N isotopic composition, there was a clear trend of increasing 15 N-enrichment over time during decomposition for all tissues except for bone and hair (Supplementary Table 3 ).

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Liver samples exhibited an overall trend of increasing C/N ratio during decay, however high variability between replicate carcasses during bloat resulted in an inability to detect significant differences.

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