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Environmental- and parental condition-related variation in sex ratio of kestrel broods

E. Korpimäki, Auteur ; C. A. May, Auteur ; D. T. Parkin, Auteur ; J. H. Wetton, Auteur ; J. Wiehn, Auteur

Dans Journal of Avian Biology (31(2) JUN 2000)

Variation of brood sex ratio was studied in a Finnish population of Eurasian Kestrels Falco tinnunculus breeding in an unpredictably variable environment. From those young that survived until 2-4 weeks of age, blood was collected and their sex d[...]

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