Model selection results for the subsets and full dataset examining the influence of anthropogenic noise, artificial night light and weather components on the onset of blackbird dawn song.

All models contain a correction factor for spatial autocorrelation and a random intercept to account for repeated measures of individual birds.aNoi – PCA factor noise, Ld – lamp density, Day – Julian date, Temp – temperature, Cloud – cloud cover, Moon – lunar phase; Habitat – habitat factor.Model selection was based on Akaike’s information criteria (AIC). The parameter df indicates the residual degrees of freedom, K represents the number of parameters in the candidate model and ΔAIC the difference of AIC values to the top-ranking model. Only candidate models with ΔAIC ωi).