Begging behavior and food acquisition by brown-headed cowbird nestlings

Abstract

Understanding the selective forces that limit the exaggeration of begging signals is a critical issue in understanding the evolution of begging behavior. I studied the begging behavior of nestlings of the brown-headed cowbird (Molothrus ater), a brood parasite. In the nests of indigo buntings (Passerina cyanea), brown-headed cowbird nestlings received… (More)
DOI: 10.1007/s002650050490

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