Phenology

Country
Migration site
Species
Period
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Year Migration site First Migration site Last
2021
VRS Castricum 27 February     
VRS Castricum 5 March
2020
VRS Castricum 12 April     
VRS Castricum 12 April
2019
VRS Castricum 30 March     
VRS Castricum 15 April
2018
VRS Castricum 2 March     
VRS Castricum 6 May
2012
VRS Castricum 8 May     
VRS Castricum 8 May
2009
VRS Castricum 3 May     
VRS Castricum 3 May
2005
VRS Castricum 23 April     
VRS Castricum 23 April
1996
VRS Castricum 23 May     
VRS Castricum 23 May
1995
VRS Castricum 24 April     
VRS Castricum 24 April
 
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