Phenology

Country
Migration site
Species
Period
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Year Migration site First Migration site Last
2021
VRS Castricum 27 April     
VRS Castricum 27 April
2020
VRS Castricum 10 September     
VRS Castricum 10 November
2019
VRS Castricum 6 November     
VRS Castricum 6 November
2018
VRS Castricum 8 February     
VRS Castricum 15 November
2017
VRS Castricum 27 October     
VRS Castricum 1 December
2016
VRS Castricum 25 March     
VRS Castricum 12 November
2015
VRS Castricum 23 October     
VRS Castricum 23 October
2013
VRS Castricum 5 July     
VRS Castricum 26 November
2012
VRS Castricum 15 July     
VRS Castricum 10 November
2011
VRS Castricum 19 March     
VRS Castricum 20 November
2010
VRS Castricum 17 October     
VRS Castricum 26 November
2009
VRS Castricum 15 December     
VRS Castricum 15 December
2008
VRS Castricum 29 October     
VRS Castricum 29 November
2007
VRS Castricum 12 March     
VRS Castricum 17 December
2006
VRS Castricum 28 October     
VRS Castricum 17 November
2005
VRS Castricum 18 September     
VRS Castricum 3 December
2004
VRS Castricum 26 October     
VRS Castricum 1 November
2003
VRS Castricum 28 September     
VRS Castricum 7 December
2002
VRS Castricum 27 September     
VRS Castricum 22 November
2001
VRS Castricum 28 February     
VRS Castricum 2 December
2000
VRS Castricum 18 July     
VRS Castricum 9 October
1999
VRS Castricum 31 March     
VRS Castricum 21 November
1998
VRS Castricum 15 October     
VRS Castricum 24 November
1997
VRS Castricum 4 March     
VRS Castricum 30 November
1996
VRS Castricum 11 October     
VRS Castricum 6 December
1995
VRS Castricum 3 May     
VRS Castricum 28 December
1994
VRS Castricum 18 October     
VRS Castricum 15 December
1993
VRS Castricum 30 October     
VRS Castricum 30 October
1992
VRS Castricum 21 April     
VRS Castricum 27 October
1991
VRS Castricum 10 March     
VRS Castricum 30 December
1990
VRS Castricum 24 July     
VRS Castricum 6 December
1989
VRS Castricum 9 April     
VRS Castricum 4 December
1988
VRS Castricum 16 September     
VRS Castricum 8 December
1987
VRS Castricum 23 January     
VRS Castricum 14 November
1986
VRS Castricum 28 September     
VRS Castricum 23 December
1985
VRS Castricum 25 September     
VRS Castricum 28 December
1984
VRS Castricum 11 October     
VRS Castricum 14 November
1982
VRS Castricum 14 May     
VRS Castricum 29 November
1981
VRS Castricum 15 October     
VRS Castricum 20 December
1980
VRS Castricum 1 August     
VRS Castricum 7 December
1979
VRS Castricum 21 October     
VRS Castricum 30 October
1978
VRS Castricum 1 August     
VRS Castricum 18 December
1977
VRS Castricum 29 October     
VRS Castricum 5 December
1976
VRS Castricum 17 October     
VRS Castricum 25 October
1975
VRS Castricum 2 October     
VRS Castricum 25 November
1974
VRS Castricum 30 September     
VRS Castricum 30 October
1973
VRS Castricum 6 October     
VRS Castricum 2 November
1972
VRS Castricum 5 October     
VRS Castricum 19 December
1971
VRS Castricum 23 October     
VRS Castricum 31 October
1970
VRS Castricum 22 September     
VRS Castricum 26 November
1969
VRS Castricum 6 October     
VRS Castricum 7 November
1968
VRS Castricum 4 October     
VRS Castricum 28 October
1967
VRS Castricum 25 September     
VRS Castricum 9 November
1966
VRS Castricum 28 September     
VRS Castricum 4 November
1965
VRS Castricum 23 October     
VRS Castricum 7 November
1963
VRS Castricum 9 October     
VRS Castricum 13 November
1962
VRS Castricum 11 October     
VRS Castricum 3 November
 
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