From: Egg rejection in blackbirds Turdus merula: a by-product of conspecific parasitism or successful resistance against interspecific brood parasites?
Egg ejection
df
χ 2
p
Egg
1
71.15
<0.001
Dummy
2
1.11
0.57
E*D
2.63
0.27
Clutch size
2.10
0.15