sentences:  Alaskan records, like those in western Europe, are mainly from late September to November; occurrences in Canada are less predictable, although mostly in autumn and winter, and mostly at bird feeders.October and early November 2016 saw an unprecedented influx of Siberian accentors into western Europe, including first records for Estonia, Germany, the Netherlands and the UK, in some cases attracting national attention and hundreds of twitchers.Prior to 2015, only 32 individuals had been recorded in western Europe, the majority in Finland and Sweden, but in October and early November 2016 at least 231 were reported.