Table 4 Effects of MC1R genotypes (MC1R: II/VI vs. VV), sex, dispersal status (status: immigrant vs. resident) and laying date (LD) on components of reproductive parameters of adult barn owls

From: Female-biased dispersal and non-random gene flow of MC1R variants do not result in a migration load in barn owls

Predictors

AICca

ΔAICcb

w c

K

Deviance

Clutch size

LD

8074.2

0.00

0.45

5

8064.1

LD + status

8074.9

0.74

0.31

6

8062.9

LD + MC1R

8075.4

1.27

0.24

6

8063.4

Number of fledglings produced

LD

8830.0

0.00

0.31

5

8820.0

LD + status + sex * status

8830.8

0.75

0.22

8

8814.7

LD + MC1R + sex * MC1R

8830.8

0.77

0.21

8

8814.7

LD + MC1R

8831.6

1.60

0.14

6

8819.6

LD + status

8831.9

1.92

0.1

6

8819.9

Clutch success

LD

7926.1

0.00

0.35

5

7916.1

LD + status

7926.5

0.41

0.29

6

7914.5

LD + MC1R

7927.2

1.10

0.20

6

7915.2

LD + status + MC1R

7927.7

1.61

0.16

7

7913.6

  1. Shown are the best models based on AICc (ΔAICc ≤ 2)
  2. K: Number of parameter estimated
  3. Deviance: model deviance
  4. aAIC value corrected for small sample sizes
  5. bDifference in a model’s AICc to the best-ranked model’s AICc
  6. cModel weight: probability of the model given the data