Passer montanus dilutus Richmond, 1896
Tree Sparrow
See also:
Passer montanus Linnaeus, 1758
Passer montanus montanus Linnaeus, 1758
Synonyms
Passer montanus pallidus Zarudny, 1904
Passer montanus zaissanensis Polyakov, 1911
Passer montanus gobiensis Stachanov, 1933
Description.
The upper parts and the crown are lighter; the black streaks on the mantle are narrower than on montanus.
Distribution.
Breeds in the southern half of Kazakhstan in north roughly to 48-49 parallel. Regularly in a little number migrates on Chokpak Pass, where it was caught on March 3 - May 23 on spring migration, and on September 16 - October 26 on autumn one.
References
Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005
Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999.