Phenology

Country
Migration site
Species
Period
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Year Migration site First Migration site Last
2019
VRS Castricum 31 August     
VRS Castricum 31 August
2014
VRS Castricum 10 November     
VRS Castricum 10 November
2012
VRS Castricum 28 October     
VRS Castricum 28 October
2010
VRS Castricum 17 November     
VRS Castricum 17 November
2004
VRS Castricum 17 July     
VRS Castricum 1 October
2001
VRS Castricum 15 August     
VRS Castricum 15 August
1999
VRS Castricum 4 April     
VRS Castricum 31 July
1998
VRS Castricum 17 May     
VRS Castricum 17 May
1997
VRS Castricum 23 July     
VRS Castricum 31 July
1996
VRS Castricum 21 July     
VRS Castricum 10 November
1995
VRS Castricum 5 September     
VRS Castricum 4 November
1994
VRS Castricum 23 July     
VRS Castricum 9 August
1993
VRS Castricum 17 July     
VRS Castricum 29 October
1992
VRS Castricum 30 July     
VRS Castricum 31 July
1991
VRS Castricum 15 July     
VRS Castricum 21 November
1990
VRS Castricum 22 April     
VRS Castricum 8 November
1989
VRS Castricum 15 June     
VRS Castricum 25 October
1988
VRS Castricum 19 July     
VRS Castricum 20 November
1987
VRS Castricum 21 August     
VRS Castricum 28 November
1986
VRS Castricum 2 August     
VRS Castricum 26 November
1985
VRS Castricum 1 August     
VRS Castricum 9 September
1984
VRS Castricum 10 August     
VRS Castricum 8 November
1983
VRS Castricum 2 August     
VRS Castricum 20 October
1982
VRS Castricum 3 August     
VRS Castricum 5 November
1981
VRS Castricum 20 July     
VRS Castricum 9 November
1980
VRS Castricum 10 August     
VRS Castricum 3 November
1979
VRS Castricum 12 August     
VRS Castricum 6 October
1978
VRS Castricum 8 August     
VRS Castricum 7 November
1977
VRS Castricum 24 August     
VRS Castricum 13 October
1976
VRS Castricum 18 September     
VRS Castricum 27 October
1975
VRS Castricum 9 August     
VRS Castricum 9 August
1973
VRS Castricum 14 October     
VRS Castricum 3 November
1972
VRS Castricum 30 October     
VRS Castricum 1 November
1971
VRS Castricum 5 October     
VRS Castricum 17 October
1970
VRS Castricum 8 November     
VRS Castricum 8 November
 
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