Table 2. Model-averaged parameter estimates.

The Generalized Linear Mixed Models were fitted with binomial errors. Predictor variables are ordered according to importance scores (see Materials and Methods).

Predictor variables	β	95% CI lower	95% CI upper	P-value	IMP	AUC
Brown booby
Wave height	0.49	0.01	0.98	0.04	0.82	0.87
Distance from breeding islands	-0.98	-1.68	-0.28	< 0.01	0.82
Surveyed distance	-0.32	-1.19	0.15	0.39	0.47
Wind direction	-0.09	-0.62	0.13	0.60	0.37
Sea surface temperature	0.05	-0.31	0.70	0.76	0.32
Magnificent frigatebird
Distance from breeding islands	-1.42	-2.37	-0.46	< 0.01	0.99	0.89
Onshore wind frequency	-0.63	-1.06	-0.21	< 0.01	0.77
Oil spills	-1.45	-5.20	1.50	0.39	0.77
River outflow	-2.03	-16.16	6.68	0.65	0.64
Surveyed distance	0.03	-1.03	1.20	0.93	0.27
Kelp gull
Distance from breeding islands	-5.53	-9.25	-1.81	< 0.01	1.00	0.94
Surveyed distance	2.78	0.66	4.90	0.01	0.92
Chlorophyll-a	-1.36	-2.39	-0.31	0.01	0.90
Sea surface temperature	-0.68	-1.31	-4.61	0.03	0.71
Wave period	0.10	-0.23	0.76	0.61	0.4
Cabot's tern
Distance from breeding islands	-0.83	-1.35	-0.30	< 0.01	1.00	0.84
Surveyed distance	0.80	0.36	1.24	< 0.01	0.99
River outflow	0.59	0.21	0.97	< 0.01	0.96
Non-breeding period	-1.39	-2.67	-0.10	0.03	0.91
Oil spills	0.34	0.09	0.60	< 0.01	0.75
Wave height	-0.49	-0.93	-0.05	0.03	0.63
Chlorophyll-a	0.14	-0.15	0.75	0.52	0.56
V current	-0.13	-0.92	0.08	0.58	0.55
Sea surface temperature	-0.36	-2.84	-1.64	0.18	0.40
Wind speed	-0.17	-0.84	0.20	0.49	0.40
Non-breeding period * dbi	-0.10	-1.20	1.00	0.86	-

β = parameter estimates for slopes (coefficients); CI = Confidence interval; IMP = variable importance (the sum of the Akaike weights for each variable in a set of models randomly generated from the full model); AUC = area under ROC curve; dbi = distance from breeding islands.