Search for: [Subject and Keywords = Gray Partridge] OR [Subject and Keywords = Partridge] OR [Subject and Keywords = Poland] OR [Subject and Keywords = population density] OR [Subject and Keywords = bird census methods] OR [Subject and Keywords = voice] OR [Subject and Keywords = vocal activity] OR [Subject and Keywords = birds] OR [Subject and Keywords = Perdix perdix] OR [Subject and Keywords = Phasianidae] OR [Subject and Keywords = Aves] OR [Subject and Keywords = 1988\-94] OR [Subject and Keywords = Kuropatwa \-\- Polska \[KABA\]] OR [Subject and Keywords = głosy samców] OR [Subject and Keywords = ocena wiosennego zagęszczenia] OR [Subject and Keywords = metoda liczenia] OR [Subject and Keywords = kurowate] OR [Subject and Keywords = ptaki] OR [Subject and Keywords = Perdix perdix] OR [Subject and Keywords = Phasianidae] OR [Subject and Keywords = Aves] OR [Subject and Keywords = 1988\-94] OR [Title = Use of call counts for estimating spring density of the grey patridge Perdix perdix] OR [Title = Use of call counts for estimating spring density of the grey patridge Perdix perdix] OR [Creator = Panek, Marek] OR [Creator = Panek, Marek]

Number of results: 58