Table 2.

Models predicting genome size within 95% cumulative AIC weight after excluding models with uninformative parameters for the reduced dataset (N = 193 species; f, relative flight muscle size; h, heart index; wl, wing loading; hw, hand-wing index; m, mass). PGLS, phylogenetic generalized linear model; regression, conventional (non-phylogenetically corrected) linear regression.

model typemodeladj. R2d.f.p-valuesAICAIC weight
PGLSf + h + m + wl0.12188f < 0.001; h: 0.49; m: 0.006; wl: 0.26−369.180.46
PGLSf + h + wl0.088189f: 0.005; h: 0.057; wl: 0.40−368.030.26
PGLSf + m + wl0.12189f < 0.001; m: 0.001; wl: 0.26−366.750.13
PGLSf + h + m0.119189f < 0.001; h: 0.49; m: 0.007−364.520.04
PGLSf + h0.09190f: 0.006; h: 0.019−364.410.04
PGLSh + wl0.054190h: 0.001; wl: 0.66−363.060.02
regressionf + m + hw + wl0.41188f < 0.001; m < 0.001; hw: 0.041; wl: 0.063−346.440.52
regressionf + m + hw0.40189f < 0.001; m < 0.001; hw: 0.033−344.880.24
regressionf + m + wl0.40189f < 0.001; m < 0.001; wl: 0.051−344.140.17
regressionf + m0.39190f: 0.002; m < 0.001−342.240.06