To avifauna of the Orenburg oblast on observations of 2011

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Second edition. First publication: Kornev S.V., Morozov V.V. 2011. Towards the fauna of birds of the Orenburg region // Materials for the distribution of birds in the Urals, in the Ural and Western Siberia 16: 58-62.

Short address: https://sciup.org/140227932

IDS: 140227932