TY - GEN A1 - Markulak, Damian PB - Zielona Góra: University of Zielona Góra, Faculty of Biological Sciences N2 - The population of House Sparrows in most of European cities declined in the end of the XX century (De Laet & Summers-Smith 2007). One of the presumable reasons of this decline is loss of nest sites. The House sparrow is a secondary hole-nester (Anderson 2006) and places its nest in holes of buildings, shrubs and nest boxes. The rate of nest box occupation depends on the location and competition with other species (Anderson T.R. 2006). N2 - The aim of this study was to investigate the rate of nest box occupation by House sparrows in Zielona Góra, Western Poland, which can provide information about the availability of nesting sites. L1 - http://www.zbc.uz.zgora.pl/Content/74605/isos_vol_38_online_25_26_.pdf L2 - http://www.zbc.uz.zgora.pl/Content/74605 KW - wróblowe KW - ornitologia T1 - Nestling of house sparrow "Passer domes ticus" in nest boxes in Zielona Góra. Preliminary report UR - http://www.zbc.uz.zgora.pl/dlibra/docmetadata?id=74605 ER -