See also:
Sturnus vulgaris Linnaeus, 1758
Sturnus vulgaris poltaratskyi Finsch, 1878
Sturnus vulgaris porphyronotus Sharpe, 1888

Synonyms

Sturnus vulgaris ruthenus Menzbier, 1892
Sturnus vulgaris sophiae Bianchi, 1896
Sturnus vulgaris jitkowi Buturlin, 1904

Description. The crown is violet glossy a weak greenish tinged; the back, rump and upper tail coverts are green glossy sometimes a weak violet tinged; the throat and upper breast are violet glossy; the lower breast is green glossy; the abdomen is green glossy with a bright or dark violet tinge; ear coverts show a greenish glossy; underwing coverts are grey with narrow whitish or ochre edges. It is close to poltaratskyi.

Distribution. Breeds in Volga-Ural region and in Ural valley, in south to Emba valley, northern part of Ustyurt and in east to Mugodzhary ridge. The distribution on migration isn't determined.

References

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