Egg-laying behaviour by shiny cowbirds parasitizing brown-and-yellow marshbirds

We studied the laying behaviour of shiny cowbirds, Molothrus bonariensis, parasitizing brown-and-yellow marshbirds, Pseudoleistes virescens. Shiny cowbirds lay two egg morphs, spotted and white immaculate. Brown-and-yellow marshbirds eject the white egg morph but accept the spotted morph. The incide...

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Autores principales: Mermoz, M.E., Reboreda, J.C.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00033472_v58_n4_p873_Mermoz
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