Table 3 Model selection results of apparent survival (φ) of adult barn owls breeding in western Switzerland in function of time (t: year), sex, dispersal status (status: immigrant vs. resident) and MC1R genotypes (MC1R: II/VI vs. VV)

Model	AIC_c^a	ΔAIC_c^b	w ^c	K	Deviance
φ(Sex + status + t)	2191.23	0.00	0.34	37	785.17
φ(Sex + status + MC1R + t)	2192.63	1.40	0.17	38	784.46
φ(Sex + status + sex * status + t)	2193.34	2.11	0.12	38	785.17
φ(Sex + status + MC1R + sex * MC1R + t)	2193.80	2.57	0.09	39	783.51
φ(Sex + status + MC1R + MC1R * status + t)	2194.27	3.04	0.07	39	783.98
φ(Sex + status + MC1R + sex * status + t)	2194.74	3.51	0.06	39	784.46
φ(Sex + status + MC1R + sex * MC1R + MC1R * status + t)	2195.14	3.91	0.05	40	782.73
φ(Sex + status + MC1R + MC1R * status + sex * status + t)	2195.14	3.91	0.05	40	782.73
φ(Sex + status + MC1R + sex * MC1R + sex * status + t)	2195.92	4.69	0.03	40	783.51
φ(Sex + status + MC1R + sex * MC1R + sex * status + status * MC1R + sex * status * MC1R + t)	2199.05	7.83	0.01	42	782.41
φ(Sex + t)	2199.40	8.17	0.01	36	795.45
φ(Sex + MC1R + t)	2200.56	9.33	0.00	37	794.50
φ(Sex + MC1R + sex * MC1R + t)	2201.60	10.37	0.00	38	793.43
φ(Status + t)	2205.87	14.64	0.00	36	801.91
φ(MC1R + status + t)	2207.69	16.46	0.00	37	801.62
φ(MC1R + status + MC1R * status + t)	2209.22	17.99	0.00	38	801.05
φ(MC1R + t)	2225.46	34.23	0.00	36	821.51

Note that the model for recapture probability (ρ) was always time dependent (t) and is not included in the model notation. The most complex model for survival (i.e. (sex + status + MC1R + sex * MC1R + sex * status + status * MC1R + sex * status * MC1R + t)) corresponds exactly to model (g + t) from the first modeling step (see Table S1)
K: Number of parameter estimated
Deviance: model deviance
^aAIC value corrected for small sample sizes
^bDifference in a model’s AIC_c to the best-ranked model’s AIC_c
^cModel weight: probability of the model given the data

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