Table 1.

Model results from the known-fate model. Ф: apparent survival probability (here actually measuring duration of stay after release); mr: migratory restlessness; t: parameter varying over time; (.) denotes constant parameter.

modelAICcΔAICcAICc weightmodel likelihoodparametersdeviance
Ф (t × mr)48.450.000.861.00731.42
Ф (mr)52.684.200.100.12248.39
Ф (t + mr)54.666.210.040.05640.45
Ф (.)63.9215.4700161.83
Ф (t)77.4529.00001050.98