Data and R code for study "Corticosterone unlikely indicates departure readiness in migratory European robins"

File CORT_departure_cues_ER.r is an R script for the analysis of the effects of the following factors: 1) bird body mass, 2) time within the migration season, 3) time within the day, and 4) wind conditions on corticosterone levels in European robins during spring and autumn migrations.File Erit_rube.txt is a data sheet containing data on corticosterone levels in European robins captured on the Courish Spit that is used in the R script (detailed description is provided in the R script).