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Na powierzchni próbnej (66 km²) wyznaczonej w lasach Beskidu Śląskiego starano się wykryć rewiry i stanowiska lęgowe puszczyka uralskiego Strix uralensis. Obserwacje prowadzono przez 5 sezonów w latach 2007–2011 oraz w lutym i marcu 2012 roku. Do końca marca 2012 roku na powierzchni próbnej wykonano łącznie 86 kontroli terenowych, lokalizując 4–6 terytoriów tej sowy. Trzykrotnie w Beskidzie Śląskim...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.