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. 2019 Aug 23;14(8):e0221436. doi: 10.1371/journal.pone.0221436

Table 3. Correlation between ornament redness and reproductive output in male red-legged partridges.

C-males Number of eggs Number of hatchlings Number of 14d old chicks Hatching success Chick survivorship
Eye ring redness r 0.538 0.638 0.555 0.717 -0.278
P 0.008 0.001 0.006 0.001 0.357
n 23 23 23 18 13
Bill redness r 0.510 0.629 0.577 0.654 0.044
P 0.015 0.002 0.005 0.004 0.886
n 22 22 22 17 13
F-males
Eye ring redness r 0.417 0.360 0.249 -0.353 -0.363
P 0.034 0.071 0.221 0.117 0.116
n 26 26 26 21 20
Bill redness r 0.216 0.311 0.258 0.073 -0.174
P 0.301 0.131 0.213 0.760 0.477
n 25 25 25 20 19
FA-males
Eye ring redness r 0.075 -0.040 -0.030 -0.301 0.111
P 0.729 0.852 0.890 0.211 0.683
n 24 24 24 19 16
Bill redness r 0.211 0.088 0.063 -0.290 -0.068
P 0.322 0.683 0.770 0.228 0.803
n 24 24 24 19 16
T-males
Eye ring redness r 0.110 -0.069 -0.125 -0.006 -0.163
P 0.602 0.742 0.550 0.979 0.632
n 25 25 25 20 11
Bill redness r 0.111 -0.023 -0.043 -0.095 0.060
P 0.598 0.915 0.840 0.692 0.860
n 25 25 25 20 11

Spearman’s correlation coefficients. P-values below 0.05 are shown in bold. P-values shown here are not controlled for multiple testing (see Statistical analyses).