Table 2.

Rotated factor loadings of morphological traits on the first four PCs from principal component analysis. Variables in bold indicate greater loading values on each dimension

Variables	PC1	PC2	PC3	PC4
% of variance	42.012	31.686	5.137	4.401
Eigenvalue	13.024	9.823	1.593	1.365
BD	−0.008	0.298	0.848	0.237
HL	0.880	−0.083	−0.095	−0.338
HD	−0.017	0.447	0.782	0.025
SnL	0.821	−0.118	−0.070	−0.384
ED	0.266	−0.517	−0.423	−0.594
IDE	0.633	−0.362	−0.023	−0.571
BaL	0.307	−0.236	−0.404	−0.651
LDLL	−0.260	0.257	0.597	−0.006
UDLL	−0.024	0.143	0.861	0.141
LD	−0.260	0.854	0.286	0.229
L1D	−0.202	0.846	0.294	0.231
LP1	0.044	0.883	0.259	−0.142
LP2	−0.121	0.902	0.254	0.153
LA	−0.234	0.846	0.311	0.251
LDb	0.573	0.305	0.318	0.312
LP1b	0.637	0.213	0.534	0.099
LP2b	−0.132	0.577	0.581	0.380
LAb	0.376	0.495	0.352	0.496
DPrD	0.894	−0.183	0.013	−0.175
DPoD	0.913	−0.227	−0.127	0.084
DPrP1	0.887	−0.050	−0.016	−0.293
DPoP1	0.933	−0.223	−0.046	0.057
DPrP2	0.900	−0.266	−0.034	−0.238
DPoP2	0.943	−0.182	−0.089	0.101
DPrA	0.925	−0.297	−0.057	−0.114
DPoA	0.842	0.109	−0.079	0.106
CPL	0.843	0.107	−0.080	0.105
CPD	0.131	0.562	0.649	0.403
IDP1	0.590	0.290	0.640	0.003
IDP2	0.851	−0.024	0.315	−0.055
DP2U	0.541	0.248	0.397	0.404