Table 4. Tukey's post hoc results comparing variances between models using the four common prey species (Part 1) for δ¹³C and δ¹⁵N.

Isotope	Comparison	DsHg	DgHg	DsHs
δ13C	DgHg	*
δ13C	DsHs	NS	***
δ13C	DgHs	NS	NS	*
δ15N	DgHg	***
δ15N	DsHs	***	NS
δ15N	DgHs	***	NS	NS

NS: no significant difference; asterisks indicate significant differences at *p<0.05, ** p<0.01 and *** p<0.001. A).