Conditional Inference Tree model for proportional time allocation to vigilance in three urban dove species. CP = Crested Pigeon, SD = Spotted Dove and RD = Rock Dove. Modelling conducted on arcsine square-root transformed data. Summary statistics for Nodes 3, 4 and 5 on a scale from 0 to 10. Q1 and Q3 are first and third quartiles, respectively. Minimum and maximum values do not include outliers.