A case of polygyny in the willow tit Parus montanus

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Translation from English. First publication: Haftorn S. 1994. A case of polygyny in the Willow Tit Parus montanus // Ornis fenn. 71, 2: 68-71. Translated from English: A.V. Bardin.

Short address: https://sciup.org/140228203

IDS: 140228203