TABLE 2.

Simple linear regressions between body mass and microbial (alpha) diversity

Model: predictor—response	Estimate ± SE	R 2	t	P value
Body mass—Observed ASVs	0.002 ± 0.009	−0.032	0.196	0.846
Body mass—Shannon diversity index	−0.380 ± 0.927	−0.028	−0.410	0.685
Body mass—evenness	−2.741 ± 7.224	−0.028	−0.380	0.707
Body mass—Faith’s phylogenetic diversity	−0.023 ± 0.064	−0.029	0.355	0.725