Phenology

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Migration site
Species
Period
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Year Migration site First Migration site Last
2020
VRS Castricum 21 May     
VRS Castricum 16 August
2019
VRS Castricum 28 April     
VRS Castricum 15 September
2018
VRS Castricum 25 May     
VRS Castricum 11 October
2017
VRS Castricum 17 July     
VRS Castricum 4 September
2016
VRS Castricum 18 May     
VRS Castricum 21 September
2015
VRS Castricum 6 July     
VRS Castricum 11 September
2014
VRS Castricum 31 July     
VRS Castricum 28 September
2013
VRS Castricum 30 June     
VRS Castricum 25 September
2012
VRS Castricum 28 May     
VRS Castricum 21 September
2011
VRS Castricum 20 May     
VRS Castricum 15 September
2010
VRS Castricum 2 September     
VRS Castricum 29 September
2009
VRS Castricum 13 July     
VRS Castricum 8 September
2008
VRS Castricum 31 July     
VRS Castricum 17 September
2007
VRS Castricum 5 August     
VRS Castricum 30 August
2006
VRS Castricum 16 August     
VRS Castricum 16 August
2005
VRS Castricum 31 March     
VRS Castricum 26 May
2004
VRS Castricum 8 August     
VRS Castricum 15 August
2003
VRS Castricum 30 April     
VRS Castricum 15 September
2002
VRS Castricum 12 July     
VRS Castricum 29 August
2001
VRS Castricum 24 July     
VRS Castricum 24 September
2000
VRS Castricum 9 May     
VRS Castricum 23 August
1999
VRS Castricum 29 July     
VRS Castricum 9 September
1998
VRS Castricum 12 April     
VRS Castricum 20 September
1997
VRS Castricum 3 August     
VRS Castricum 7 August
1996
VRS Castricum 15 July     
VRS Castricum 15 July
1995
VRS Castricum 19 July     
VRS Castricum 18 September
1994
VRS Castricum 23 April     
VRS Castricum 23 September
1993
VRS Castricum 7 August     
VRS Castricum 18 September
1992
VRS Castricum 20 April     
VRS Castricum 17 September
1991
VRS Castricum 21 May     
VRS Castricum 28 September
1990
VRS Castricum 30 July     
VRS Castricum 11 September
1989
VRS Castricum 27 April     
VRS Castricum 17 September
1988
VRS Castricum 24 July     
VRS Castricum 4 September
1987
VRS Castricum 12 April     
VRS Castricum 8 September
1986
VRS Castricum 28 July     
VRS Castricum 18 September
1985
VRS Castricum 13 July     
VRS Castricum 19 September
1984
VRS Castricum 11 August     
VRS Castricum 26 September
1983
VRS Castricum 28 August     
VRS Castricum 20 September
1982
VRS Castricum 5 May     
VRS Castricum 5 September
1981
VRS Castricum 28 July     
VRS Castricum 27 September
1980
VRS Castricum 19 August     
VRS Castricum 16 September
1979
VRS Castricum 29 August     
VRS Castricum 30 August
1967
VRS Castricum 17 September     
VRS Castricum 17 September
 
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