Fig. 3From: Growth trajectories in the cave bear and its extant relatives: an examination of ontogenetic patterns in phylogenyPrincipal component analysis of cranial (a) and mandibular (b) shape variation in juvenile and adult bear species. Ellipses represent the 95 % confidence interval of the species and age stages. Cranial and mandibular models represent extreme shape on PC1 and PC2Back to article page