Differentiation of young black-faced buntings from the Primor’e population in the fall season based on remex molt analysis

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Abstract

Many bird molting characteristics are not only species-but also population-related. A study of postjuvenile molting in black-faced buntings has revealed substantial differences in the degree of molting in young birds from southern Primorskii krai in comparison with those from more northern populations (Khingan-Bureya upland). In Primor’e partial replacement of primaries is observed in young birds from the first broods. Measurements of feathers before and after molting have revealed a difference in the length of juvenile primaries between this and the next generation. On the basis of this difference, a procedure has been developed that allows us to differentiate a major part of black-faced buntings in Primor’e in the fall season.

Key words

black-faced bunting population features of the postjuvenile molt 

References

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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  1. 1.Bureinskii State Nature ReserveKhabarovsk kraiRussia

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