Phenology

Country
Migration site
Species
Period
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Year Migration site First Migration site Last
2021
VRS Castricum 6 September     
VRS Castricum 6 September
2017
VRS Castricum 9 September     
VRS Castricum 9 September
2016
VRS Castricum 23 November     
VRS Castricum 23 November
2012
VRS Castricum 28 October     
VRS Castricum 28 October
2011
VRS Castricum 4 June     
VRS Castricum 4 June
2010
VRS Castricum 22 December     
VRS Castricum 22 December
2007
VRS Castricum 10 March     
VRS Castricum 10 March
2006
VRS Castricum 3 October     
VRS Castricum 3 October
2005
VRS Castricum 12 October     
VRS Castricum 12 October
1999
VRS Castricum 3 November     
VRS Castricum 3 November
1997
VRS Castricum 1 January     
VRS Castricum 13 November
1996
VRS Castricum 26 December     
VRS Castricum 26 December
1994
VRS Castricum 9 August     
VRS Castricum 9 August
1992
VRS Castricum 25 January     
VRS Castricum 25 January
1985
VRS Castricum 18 February     
VRS Castricum 18 February
1981
VRS Castricum 21 December     
VRS Castricum 21 December
1972
VRS Castricum 17 October     
VRS Castricum 17 October
1968
VRS Castricum 16 November     
VRS Castricum 16 November
1966
VRS Castricum 29 September     
VRS Castricum 29 September
 
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