FIGURE 1.

(a) The general morphology of bamboos and their utilization by bamboo‐dwelling bush frogs. (b) The phylomorphospace of the first two principal components (PCs) obtained from the phylogenetic PCA analysis of bush frog skull shape showing the clear discrimination of bamboo (enclosed in the yellow convex hull) and non‐bamboo (enclosed in the magenta convex hull) bush frogs. It also shows the two lineages of bamboo frogs (square symbol—lineage A: diamond symbol—lineage B). To visualize the shape change at both the positive and negative extremes of each axis, warped 3D meshes from an average‐shape mesh are used.