Scatter Plot from Scientific Research

Forest plots show parameter estimates of phylogenetic models testing effects of environmental factors (blue box) and species traits (mauve box) on hand-wing index (HWI). Points show the mean, and error bars show 95% CI. Positive values indicate a positive correlation between the predictor and the corresponding wing metric. Seabirds and long-distance migrants may be under different selection pressures (seeSTAR Methods), so we repeated models with both these categories removed. Results shown are therefore based on all volant birds (dots) and the subset of non-migratory land birds (triangles). Significant effects are inferred when estimated 95% CI does not span zero (highlighted in a darker shade).

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