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Table 5 Average perceived risk for observed perchings on pylons with or without (noted as w/o) supplemental perches for every species or functional group with at least three perchings on pylons with and without supplemental perches; also shown are results from the Wilcoxon test and p-values for those analyses

From: Do supplemental perches influence electrocution risk for diurnal raptors?

Group/speciesRisk w/o suppl.Risk with suppl.Wilcoxon testp-value
Small raptors2.718 ± 1.0681.905 ± 1.933W = 19970.016
Elanus caerulus2.05 ± 0.2240.139 ± 0.593W = 293.824e11
Falco tinnunculus3.06 ± 1.1673.171 ± 1.634W = 9270.594
Medium-sized raptors2.72 ± 1.08852.036 ± 2.094W = 5751.50.001
Buteo buteo2.721 ± 0.9072.053 ± 2.108W = 52680.001
Large eagles2.726 ± 0.9611.004 ± 1.87W = 8291.837e11
Circaetus gallicus2.667 ± 0.9520.78 ± 1.521W = 4861.325e11
Aquila adalberti3 ± 1.0331.333 ± 2.309W = 120.156
  1. Italics show significant differences