Standing on the nest

First period

Second period

Z

P

Agonistic behaviour*

14.64 ± 18.05

0

−2.668

0.008*

Self-comfort behaviour*

34.21 ± 63.46

2.50 ± 8.27

−2.100

0.036*

Egg-care*

69.86 ± 70.96

6.00 ± 20.78

−2.580

0.010*

Nest-building

5.79 ± 16.07

0

−1.342

0.180

Egg-care

Attention to the egg*

63.50 ± 67.88

5.43 ± 18.65

−2.49

0.013*

Egg-rotation/moving*

6.36 ± 7.80

0.57 ± 2.14

−2.095

0.036*

Sitting on the nest

Agonistic behaviour

136.29 ± 118.29

122.14 ± 116.91

−0.314

0.753

Incubation

398.86 ± 285.90

414.07 ± 297.08

−0.408

0.683

Nest-building

166.00 ± 214.65

120.43 ± 180.23

−0.157

0.875

Self-comfort behaviour

31.71 ± 50.78

106.29 ± 200.97

−0.549

0.583