Search for: [Abstract = "In general House Sparrows \"Passer domesticus\" live rather well through severe winters in the Netherlands. It is interesting to find that in the severe winter of 1978\-1979, during which a combination of strong winds, glazed frost and fine snow covered the feedingsites and roosts with a thick layer of frozen snow, the number of House Sparrows in Leeuwarden \(North\-Netherlands\) diminished by 50%. In Rotterdam \(South\-West Netherlands\) where there was less wind, glazed frost and snow, there was no notably higher mortality during that winter."]

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