Table 2. Model Ranking Based on Relative Likelihoods and Akaike Weights Calculated from ΔAICc Values for Response Variables.
| Response Variable | Random Effects | Distribution | Model | AICc | ΔAICc | Relative Likelihood | Akaike Weight |
|---|---|---|---|---|---|---|---|
| a) Calling yes/no | focal individual | Binomial | Location * Feeding order * Sex + Age class + Residency (Full model) | 383.4205 | 11.620 | 0.003 | 0.001 |
| Feeding order (Final model) | 371.7031 | 0 | 1.000 | 0.193 | |||
| Feeding order + Sex | 372.4543 | 0.751 | 0.687 | 0.132 | |||
| Location + Feeding order | 372.5212 | 0.818 | 0.664 | 0.128 | |||
| Location + Feeding order + Sex | 373.2710 | 1.568 | 0.457 | 0.088 | |||
| Location * Feeding order | 373.5899 | 1.887 | 0.389 | 0.075 | |||
| b) Call rate | focal individual | Poisson | Calling frequency * Landing frequency | 339.5723 | 2.480 | 0.289 | 0.136 |
| Calling frequency + Landing frequency | 337.6379 | 0.546 | 0.761 | 0.357 | |||
| Calling frequency : Landing frequency | 346.1645 | 9.073 | 0.011 | 0.005 | |||
| Calling frequency | 342.3514 | 5.260 | 0.072 | 0.034 | |||
| Landing frequency | 337.0919 | 0 | 1.000 | 0.469 | |||
| c) Call rate | sampling day + location : feeding order | Poisson | Residency | 353.0033 | |||
| Focal | 342.5482 |
Note. (+) indicate single factors added in the models; (:) indicate interactions between factors; (*) indicate the cross between factors (factors and their two-way interaction)
Calling occurrence (yes/no)
Call rate as a function of calling frequency and landing frequency
Call rate with respect to residency and individual identity, showing AICc values for the two competing models