Cere hue, heterophile/lymphocyte ratio (H/L ratio), white blood cell count (WBC), body mass and prevalence of Haemoproteus infection in adult male and female kestrels in different brood size manipulation groups.

Haemoproteus infection shows the % individuals infected. The statistical test for a sex difference in the variable is a linear model for the other variables and a likelihood ratio test for Haemoproteus infection.