Table S2.

Number of parameters (k), Bias-corrected Akaike’s Information Criterion value (AIC), the difference between a given model and the model with the lowest AIC value (ΔAIC), and the AIC weight of models for white-crowned sparrow laboratory foraging and vigilance experiments

Foraging: head down duration (s)
Vigilance: head up rate (head lifts per s)
Foraging bout