Figure 3
The effect of model egg treatment on corticosterone levels. Females experimentally parasitized with non-mimetic beige eggs (n=21) did not differ in baseline corticosterone levels compared to females experimentally parasitized with mimetic blue eggs (n=22). Black dots indicate females that had had not rejected the egg within two hours, while red dots indicate females that rejected the egg. Within the non-mimetic egg treatment, females that rejected and accepted the eggs did not differ in their corticosterone levels.