Justification for inclusion of covariate interactions to predict occupancy (Ψ) for gray treefrog complex (<i>Hyla</i> spp.) and northern redbelly snake (<i>Storeria occipitomaculata</i>).

<p>For each species, interactions were included at every scale and with every combination of covariates fitted to colonization probability (γ) and detection probability (p).</p> <p>(DOCX)</p>