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Table 2 Models used from analyses of egg recognition. Results from LRT for the recognition models of the three variables used: first-contact touches first visit, first-contact touches per visit and incubation touches. In all cases, significant predictors are in bold

From: Egg rejection in blackbirds Turdus merula: a by-product of conspecific parasitism or successful resistance against interspecific brood parasites?

Recognition

Conspecific brood parasitism

Interspecific brood parasitism

First-contact touches first visit

df

χ 2

p

df

χ 2

p

 Dummy

2

0.16

0.92

2

4.10

0.13

 Session

1

1.00

0.32

1

113.6

<0.001

 D*S

2

4.11

0.13

2

5.00

0.08

 clutch size

2

0.46

0.50

2

2.38

0.12

First-contact touches per visit

      

 Dummy

2

1.44

0.49

2

0.38

0.82

 Session

1

0.58

0.45

1

63.59

<0.001

 D*S

2

0.92

0.63

2

1.54

0.46

 Clutch size

2

0.06

0.80

2

1.29

0.26

Incubation touches

      

 Dummy

2

0.21

0.90

2

1.40

0.50

 Session

1

1.97

0.16

1

245.1

<0.001

 D*S

2

4.16

0.12

2

2.86

0.24

 Clutch size

2

1.65

0.20

2

0.17

0.68