Table 2. Modeling survival (ϕ) and recapture probabilities (p) of 183 adult burrowing owls. AICc: Akaike’s information criterion adjusted for effective sample size, ΔAICc: AICc difference between the current model and that with the lowest AICc value; wi: Akaike’s weight, NP: number of estimable parameters, deviance: relative deviance. Model notation: “+”: parallel variation, additive effect; “x”: interaction; “.” = constant (i.e. no effects considered); “habitat” = different parameters for urban and rural birds; “time” = between year differences.
| Model | Model structure | AICc | ΔAICc | wi | NP | deviance |
|---|---|---|---|---|---|---|
| 1 | ϕ (habitat) p (time) | 409.229 | 0.00 | 0.528 | 8 | 392.702 |
| 2 | ϕ (habitat × time) p (time) | 411.303 | 2.07 | 0.187 | 17 | 374.985 |
| 3 | ϕ (habitat + time) p (time) | 412.345 | 3.12 | 0.111 | 13 | 384.987 |
| 4 | ϕ (habitat × time) p (habitat + time) | 412.794 | 3.56 | 0.089 | 18 | 374.193 |
| 5 | ϕ (habitat × time) p (habitat) | 414.613 | 5.38 | 0.036 | 14 | 385.040 |
| 6 | ϕ (habitat × time) p (.) | 414.754 | 5.52 | 0.033 | 13 | 387.396 |
| 7 | ϕ (habitat × time) p (time) | 416.156 | 6.93 | 0.017 | 20 | 372.938 |
| 8 | ϕ (.) p (time) | 433.641 | 24.41 | 0.000 | 7 | 419.232 |
| 9 | ϕ (t) p (time) | 434.354 | 25.12 | 0.000 | 11 | 411.376 |