highly significantp < 0.0001
MANOVA of PC1–3 scores shows a highly significant effect of species (Wilks’ λ = 0.56, F 5,197 = 8.26, p < 0.0001), day (Wilks’ λ = 0.15, F 1,197 = 357.45, p < 0.0001), and the species x day interaction (Wilks’ λ = 0.80, F 5,197 = 3.00, p < 0.001) on mandibular shape.