Phenology

Country
Migration site
Species
Period
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Year Migration site First Migration site Last
2020
VRS Castricum 4 April     
VRS Castricum 11 November
2019
VRS Castricum 28 March     
VRS Castricum 31 October
2018
VRS Castricum 1 April     
VRS Castricum 17 November
2017
VRS Castricum 8 August     
VRS Castricum 16 November
2016
VRS Castricum 31 August     
VRS Castricum 7 November
2015
VRS Castricum 20 October     
VRS Castricum 1 November
2014
VRS Castricum 31 March     
VRS Castricum 13 November
2013
VRS Castricum 26 January     
VRS Castricum 23 November
2012
VRS Castricum 14 August     
VRS Castricum 12 November
2011
VRS Castricum 29 July     
VRS Castricum 12 November
2010
VRS Castricum 3 January     
VRS Castricum 31 October
2009
VRS Castricum 3 April     
VRS Castricum 1 November
2008
VRS Castricum 17 August     
VRS Castricum 3 December
2007
VRS Castricum 10 August     
VRS Castricum 17 November
2006
VRS Castricum 31 August     
VRS Castricum 19 November
2005
VRS Castricum 16 August     
VRS Castricum 13 November
2004
VRS Castricum 24 August     
VRS Castricum 30 October
2003
VRS Castricum 29 March     
VRS Castricum 16 November
2002
VRS Castricum 3 April     
VRS Castricum 30 November
2001
VRS Castricum 22 August     
VRS Castricum 21 October
2000
VRS Castricum 23 August     
VRS Castricum 22 October
1999
VRS Castricum 3 August     
VRS Castricum 4 November
1998
VRS Castricum 1 September     
VRS Castricum 4 October
1997
VRS Castricum 9 August     
VRS Castricum 30 November
1996
VRS Castricum 8 September     
VRS Castricum 16 November
1995
VRS Castricum 20 August     
VRS Castricum 26 December
1994
VRS Castricum 20 October     
VRS Castricum 26 October
1993
VRS Castricum 20 November     
VRS Castricum 20 November
1991
VRS Castricum 3 September     
VRS Castricum 31 October
1990
VRS Castricum 14 August     
VRS Castricum 14 August
1989
VRS Castricum 10 February     
VRS Castricum 10 February
1988
VRS Castricum 30 September     
VRS Castricum 12 November
1981
VRS Castricum 19 December     
VRS Castricum 20 December
1980
VRS Castricum 2 November     
VRS Castricum 2 November
1978
VRS Castricum 18 December     
VRS Castricum 23 December
1977
VRS Castricum 16 December     
VRS Castricum 16 December
1974
VRS Castricum 13 November     
VRS Castricum 13 November
1972
VRS Castricum 17 December     
VRS Castricum 17 December
1970
VRS Castricum 29 October     
VRS Castricum 8 November
1968
VRS Castricum 5 November     
VRS Castricum 5 November
 
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