Table 2: Summary of results of artificial parasitism experiments. First Day Criterion (FDC) represents egg rejection status after one day; and Full Rejection Criterion (FAC) represents egg rejection status after 5 days.

Egg Parameter LOW HIGH
n FDC FRC n FDC FRC
Size
Cowbird Size 7 5 5 7 2 2
Robin Size 8 1 2 8 0 0
Coloration
Spotted 9 6 7 9 2 2
Immaculate 6 0 0 9 0 0