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2012-04-24
Mangistau district, Fetisovo |
© Andrey Vilyayev
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Crown, nape and ear coverts are pale-grey, paler than on thunbergi; ear coverts are grey not blackish; the white supercilium is usually well-defined but occasionally absent; the chin and is white, rare yellow. No pale eye-ring.
Breeds in Volga-Ural region and occurs elsewhere on migration. On Chokpak Pass migrates 4 April – 18 May and 24 August – 12 September; on Sorbulak lake 6 April – 7 May and 21 August – 1 October.
Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005.
"Птицы Казахстана" том 3. "Наука". Алма-Ата, 1970.
В.К.Рябицев. "Птицы Урала, Приуралья и Западной Сибири". Екатеринбург, Изд-во Уральского университета, 2000.
Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999.
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