See also:
Athene noctua Scopoli, 1769
Athene noctua noctua Scopoli, 1769
Athene noctua orientalis Severtzov, 1873

No Synonyms

Description. Upper parts are light-brownish rusty tinged, lighter than on indigena. The dark pattern on under parts is paler and less contrast than on indigena and noctua. Male wing length 159-174 (166), female 159-177 (169) mm.

Distribution. Breeds from the east coast of Caspian Sea and lower valley of Ural river; to east border of Balkhash-Alakol depression, foothills of Tarbagatay ridge, Dzhungarskiy Alatau and Tien Shan. On 3 September 1980 collected on Tengiz lake.

References

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