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Issue 2012-3

  Ornis Polonica 2012, 53: 165–174 Density of males of the Corncrake Crex crex in selected areas in Poland Michał Budka, Paweł Ręk, Tomasz S. Osiejuk, Krzysztof Jurczak Abstract: In 2007–2011, 12 localizations in Poland were controlled each once. In … Continue reading

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