Table 5. Summary of morphological Principal Component Analysis.

Variable	PC1	PC2	PC3	PC4
Tail	−0.0878	0.4452	0.1115	0.6128
Hind Foot	0.0541	0.5612	−0.1826	0.2495
Length of skull	0.3451	−0.1925	0.0271	0.1117
Zygomatic breadth	0.3506	−0.0264	0.0463	0.0565
Interorbital width	0.0669	−0.0378	0.7123	0.1183
Breadth of braincase	0.2002	0.2428	−0.2888	0.0173
Height of rostrum	0.0618	0.3121	0.555	−0.3637
Width of bulla	0.049	−0.4636	0.1275	0.5999
Upper tooth row	0.3614	−0.0414	−0.0593	−0.0362
Breadth of palate	0.2834	0.257	0.1547	0.0258
Height of skull	0.3526	−0.0544	−0.0067	0.1398
Mandibular tooth row	0.3328	−0.0571	−0.0552	−0.0945
Height of mandible	0.346	0.0456	−0.058	−0.0534
Length of Mandible	0.3617	0.0174	−0.0495	−0.0827
PC Axis summary
Eigenvalue	6.95	2.13	1.54	0.969
Proportion of variation explained	0.497	0.152	0.11	0.069
Cumulative proportion	0.497	0.649	0.759	0.828