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Fig. 6 | BMC Evolutionary Biology

Fig. 6

From: Evolution of female promiscuity in Passerides songbirds

Fig. 6

Relationship between migratory behaviour and female promiscuity. a Boxplot showing female promiscuity estimates for residents, partial migrants and full migrants. The pink boxes indicate the first and third quartiles where the internal line is the median; bars are 1.5 interquartile ranges with outliers indicated. Numbers are sample sizes. b Scatterplot showing female promiscuity as a function of migration distance. A polynomial regression line with 95% confidence interval is indicated for illustration

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