Phenology

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Migration site
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Year Migration site First Migration site Last
2018
VRS Castricum 7 January     
VRS Castricum 18 November
2017
VRS Castricum 26 March     
VRS Castricum 19 December
2016
VRS Castricum 29 October     
VRS Castricum 28 November
2015
VRS Castricum 23 October     
VRS Castricum 23 October
2013
VRS Castricum 18 October     
VRS Castricum 23 November
2011
VRS Castricum 7 March     
VRS Castricum 4 April
2010
VRS Castricum 24 October     
VRS Castricum 29 November
2008
VRS Castricum 18 November     
VRS Castricum 7 December
2007
VRS Castricum 20 October     
VRS Castricum 17 December
2006
VRS Castricum 15 January     
VRS Castricum 12 October
2005
VRS Castricum 13 November     
VRS Castricum 21 December
2003
VRS Castricum 7 November     
VRS Castricum 7 November
2002
VRS Castricum 31 March     
VRS Castricum 16 November
2001
VRS Castricum 27 February     
VRS Castricum 2 December
1997
VRS Castricum 4 March     
VRS Castricum 13 November
1996
VRS Castricum 15 March     
VRS Castricum 14 December
1995
VRS Castricum 4 November     
VRS Castricum 29 December
1994
VRS Castricum 4 November     
VRS Castricum 2 December
1991
VRS Castricum 10 March     
VRS Castricum 10 March
1990
VRS Castricum 4 November     
VRS Castricum 18 December
1989
VRS Castricum 10 January     
VRS Castricum 4 December
1988
VRS Castricum 24 October     
VRS Castricum 31 December
1987
VRS Castricum 8 January     
VRS Castricum 2 November
1986
VRS Castricum 3 November     
VRS Castricum 23 December
1985
VRS Castricum 3 January     
VRS Castricum 31 December
1984
VRS Castricum 31 October     
VRS Castricum 13 November
1982
VRS Castricum 27 October     
VRS Castricum 29 November
1981
VRS Castricum 15 November     
VRS Castricum 12 December
1979
VRS Castricum 30 December     
VRS Castricum 30 December
1978
VRS Castricum 15 December     
VRS Castricum 15 December
1977
VRS Castricum 28 November     
VRS Castricum 21 December
1975
VRS Castricum 17 October     
VRS Castricum 20 December
1974
VRS Castricum 29 October     
VRS Castricum 1 November
1973
VRS Castricum 12 October     
VRS Castricum 12 October
1972
VRS Castricum 14 October     
VRS Castricum 25 December
1970
VRS Castricum 22 November     
VRS Castricum 26 November
1968
VRS Castricum 9 November     
VRS Castricum 9 November
1966
VRS Castricum 12 November     
VRS Castricum 18 November
1965
VRS Castricum 23 October     
VRS Castricum 16 November
1962
VRS Castricum 21 October     
VRS Castricum 20 November
1961
VRS Castricum 5 November     
VRS Castricum 19 November
 
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