Phenology

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Migration site
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Period
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Year Migration site First Migration site Last
2017
VRS Castricum 6 November     
VRS Castricum 6 November
2012
VRS Castricum 2 October     
VRS Castricum 2 October
2011
VRS Castricum 17 August     
VRS Castricum 18 August
2010
VRS Castricum 2 January     
VRS Castricum 27 December
2009
VRS Castricum 22 December     
VRS Castricum 22 December
2008
VRS Castricum 14 November     
VRS Castricum 24 November
2007
VRS Castricum 18 November     
VRS Castricum 18 November
2006
VRS Castricum 31 July     
VRS Castricum 17 November
2005
VRS Castricum 11 August     
VRS Castricum 8 November
2003
VRS Castricum 26 October     
VRS Castricum 6 November
2002
VRS Castricum 28 July     
VRS Castricum 8 October
2001
VRS Castricum 9 May     
VRS Castricum 2 November
1999
VRS Castricum 29 July     
VRS Castricum 27 November
1998
VRS Castricum 6 November     
VRS Castricum 6 November
1997
VRS Castricum 6 August     
VRS Castricum 5 November
1996
VRS Castricum 19 July     
VRS Castricum 11 October
1995
VRS Castricum 2 August     
VRS Castricum 10 November
1994
VRS Castricum 19 July     
VRS Castricum 25 November
1992
VRS Castricum 29 September     
VRS Castricum 2 October
1991
VRS Castricum 7 August     
VRS Castricum 5 October
1990
VRS Castricum 23 July     
VRS Castricum 30 November
1989
VRS Castricum 23 September     
VRS Castricum 23 September
1988
VRS Castricum 3 October     
VRS Castricum 3 October
1987
VRS Castricum 3 October     
VRS Castricum 27 October
1986
VRS Castricum 17 August     
VRS Castricum 1 October
1985
VRS Castricum 11 August     
VRS Castricum 18 August
1984
VRS Castricum 23 September     
VRS Castricum 3 December
1983
VRS Castricum 24 September     
VRS Castricum 26 October
1982
VRS Castricum 12 October     
VRS Castricum 1 November
1981
VRS Castricum 14 November     
VRS Castricum 28 December
1979
VRS Castricum 11 September     
VRS Castricum 1 October
1978
VRS Castricum 9 August     
VRS Castricum 6 November
1977
VRS Castricum 13 September     
VRS Castricum 24 October
1976
VRS Castricum 21 September     
VRS Castricum 15 November
1975
VRS Castricum 1 October     
VRS Castricum 18 October
1974
VRS Castricum 2 October     
VRS Castricum 2 October
1973
VRS Castricum 24 June     
VRS Castricum 16 November
1972
VRS Castricum 13 August     
VRS Castricum 11 October
1971
VRS Castricum 13 June     
VRS Castricum 3 December
1970
VRS Castricum 22 September     
VRS Castricum 25 September
1969
VRS Castricum 22 June     
VRS Castricum 22 June
1968
VRS Castricum 2 November     
VRS Castricum 2 November
1966
VRS Castricum 24 September     
VRS Castricum 29 October
1965
VRS Castricum 25 September     
VRS Castricum 3 October
1964
VRS Castricum 30 September     
VRS Castricum 18 October
1963
VRS Castricum 11 October     
VRS Castricum 23 October
1962
VRS Castricum 27 September     
VRS Castricum 7 November
1961
VRS Castricum 7 October     
VRS Castricum 21 November
1960
VRS Castricum 9 October     
VRS Castricum 9 October
 
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