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A Test of the Nestling Discrimination Hypothesis for Parasitism of Red-Winged Blackbirds (Agelaius phoeniceus) by Brown-headed Cowbirds (Molothrus ater)

Ken Yasukawa, Auteur ; Hazel K. Berrios, Auteur ; Anthony W. Johannes, Auteur

Dans Wilson Journal of Ornithology (The) (128(2) June, 2016)

We tested the nestling discrimination hypothesis by observing responses of female Red-winged Blackbirds (Agelaius phoeniceus) to playback of begging calls by conspecifics or Brown-headed Cowbirds (Molothrus ater). Female redwings departed the ne[...]

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