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Black-Billed Magpie

Pica pica bactriana (Bonaparte, 1850)

Сорока | Сауысқан

2004-05-08
Almaty, Republic Square
© Askar Isabekov

Description

White color on the primaries and on the rump is more developed than in pica. A gradual cline of variability indicates a reduction of black and an increase of white on primary webs eastwards across Kazakhstan: in the majority of western birds the primary tips (including the ends of the inner webs) are black, whereas further east (e.g. Tien Shan) many birds have white tips on inner webs of primary feathers. Inner secondaries usually have a dark blue sheen.

Distribution

Breeds on all other parts of flat Kazakhstan and in mountains excepting Volga-Ural territory.

References

Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005. Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999. В.К.Рябицев. "Птицы Урала, Приуралья и Западной Сибири". Екатеринбург, Изд-во Уральского университета, 2000.

supplement

relative taxons

Pica pica
(Linnaeus, 1758)
information gallery
Pica pica pica
(Linnaeus, 1758)
information gallery

synonyms

Pica pica leucoptera
(Gould, 1862)
Pica pica hemileucoptera
(Stegmann, 1928)
Pica pica laubmanni
(Stresemann, 1928)

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Corvidae

in other projects

rank of this taxon is less than species rank, most of projects presents only level of species rank, if you want to see this bird in other projects please use the parental taxon page

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