Phenology
Year | Migration site | First | Migration site | Last | |||||
---|---|---|---|---|---|---|---|---|---|
2021 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 2 March | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 22 March | |||||
2020 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 18 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 23 November | |||||
2019 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 8 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 10 November | |||||
2018 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 20 October | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 20 October | |||||
2017 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 12 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 12 November | |||||
2016 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 23 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 23 November | |||||
2015 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 20 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 21 November | |||||
2014 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 3 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 6 November | |||||
2013 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 4 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 12 November | |||||
2012 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 2 January | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 3 October | |||||
2011 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 28 October | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 31 December | |||||
2010 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 25 September | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 7 October | |||||
2009 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 13 November | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 13 November |