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Table 3 PLS analyses between the shape of the black area in the tail and two tail and ptilochronological features of female and male Great Grey Shrikes (Lanius excubitor), Museum of Natural History, Leiden, the Netherlands

From: A tale of two tails: asymmetry in Great Grey Shrike (Lanius excubitor)

Shape of the black area Tail features n RV p
Fault bars (mm) Growth bars
Females 0.39 ± 1.08 39.48 ± 5.75 28 0.0867 0.8475
Males 0.37 ± 1.15 36.98 ± 4.73 35 0.0514 0.0799
  1. n denotes the number of individuals, RV the coefficient of the PLS analyses, and p the value of the permutation test