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Table 1 Variable loadings and proportion of the variance explained by the first three principal components

From: Subtle sexual plumage color dimorphism and size dimorphism in a South American colonial breeder, the Monk Parakeet (Myiopsitta monachus)

VariablePC1PC2PC3
Bill length0.4280.1080.398
Bill width0.3850.402< 0.001
Bill height0.4290.265‒ 0.508
Total weight0.3360.4320.163
Wing length0.380‒ 0.444‒ 0.165
Total length0.338‒ 0.4350.578
Tarsus length0.338‒ 0.428‒ 0.442
Proportion of the variance explained0.3950.2180.110