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TableĀ 2 Response of Red-winged Blackbirds in Berks County, Pennsylvania to experimental model cowbird eggs added to their nests at different stages of the nest cycle and at control nests

From: Egg rejection behavior does not explain the lack of cowbird parasitism on an eastern North American population of Red-winged Blackbirds

TreatmentRejectedEjectedBuriedDesertedAcceptedTotal (n)Rejected (%)
Building934261560.0
Laying110013147.1
Incubation3201101323.1
Total for laying and incubation4301232714.8
Total across treatments13543294231.0
Control000014140.0