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Egg pecking and discrimination by female and male Brown-headed Cowbirds

Keriann M. Dubina, Auteur ; Brian D. Peer, Auteur

Dans Journal of Ornithology (154(2) APR 2013)

Brood parasitic Brown-headed Cowbirds (Molothrus ater) remove host eggs in conjunction with parasitism, and also peck and destroy host eggs and nestlings in nests they have apparently not parasitized. Egg and nestling destruction by Brown-headed[...]

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