Authors did the species identifications. The following references were followed: Taxonimic references: Stepanyan L.S. Conspectus of the ornithological fauna of the USSR. M. 1990. 1-728. Stepanyan L.S. Conspectus of the ornithological fauna of Russia and contiguous territories. M. 2003. 1-808. Koblik E.A., Red'kin AY.A., Arkhipov V.Yu. Checklist of the birds of Russian Federation. Moscow: KMK Scientific Press Ltd. 2006. 256 p. Woo-Shin Lee, Tae-Hoe Koo, Jin-Young Park. A field guide to the birds of Korea. 2000. Tokyo.