Fig. 3From: Evolution of female promiscuity in Passerides songbirdsBoxplots showing the relationship between male parental care and female promiscuity. 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 indicate sample sizes. Plots are shown separately for the three stages of the breeding cycle: a nest building, b incubation, and c chick provisioning. Male parental care was scored as one of four categories: no male care, male care lower than female care, male care equal to female care, and male care onlyBack to article page