Fig 2.

The relationship between breeding probability and (a) the urban gradient from the full data set (estimate 0.58 ± 0.15 SE, χ² _{(n = 676)} = 15.25, P < 0.001); and, (b) nest type (building with nest box versus other) in interaction with rainfall from the urban subset (including only nests with >40% urban cover; estimated interaction effect on the logit scale -0.71 ± 0.35 SE, χ² _{(n = 255)} = 4.00, P = 0.046) [negative values: high precipitation (total sum of rain, number of rain days and rain intensity); positive values: low precipitation] during the courtship period based on predicted values of GLMM, 95% CIs in shaded grey. Model details in Table 1.