See also:
Riparia riparia Linnaeus, 1758
Riparia riparia dolgushini Gavrilov et Savtchenko, 1991

Synonyms

Riparia riparia kolymensis Buturlin, 1917

Description. The dark breast band is broader; the upperparts are darker; the size is larger than on dolgushini. Wing length 103-115 (109.1) mm.

Distribution. Breeds in northern half of Kazakhstan, south up to Caspian Sea, Syrdarya delta, lower reaches of Turgay river, Tengiz-Kurgaldzhin depression and Zaysan lake. In south occurs on migration.

References

Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005
Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999.