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Issue 2013-1

Posted on 31 March 2013 by admin

  Ornis Polonica 2013, 54: 1–11 Extinction of breeding population of the Hen Harrier Circus cyaneus in Poland Łukasz Ławicki, Jan Lontkowski, Przemysław Wylegała, Piotr Zieliński Abstract: This paper presents data about the extinction of breeding population of the Hen … Continue reading →

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