Phenology
Year | Migration site | First | Migration site | Last | |||||
---|---|---|---|---|---|---|---|---|---|
2019 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 17 October | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 6 November | |||||
2018 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 20 September | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 5 November | |||||
2017 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 26 October | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 11 November | |||||
2015 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 28 September | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 28 September | |||||
2013 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 5 October | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 30 October | |||||
2012 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 26 March | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 23 September | |||||
2011 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 3 October | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 3 October | |||||
2010 | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 2 September | Winter Hill, Bolton (Gtr Manc/Lancs, England) | 24 October |