Phenology

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Year Migration site First Migration site Last
2020
VRS Castricum 15 april     
VRS Castricum 16 august
2019
VRS Castricum 18 july     
VRS Castricum 27 august
2018
VRS Castricum 12 may     
VRS Castricum 1 september
2017
VRS Castricum 7 april     
VRS Castricum 28 august
2016
VRS Castricum 22 july     
VRS Castricum 28 august
2015
VRS Castricum 3 may     
VRS Castricum 10 september
2014
VRS Castricum 19 april     
VRS Castricum 7 september
2013
VRS Castricum 7 july     
VRS Castricum 25 august
2012
VRS Castricum 15 april     
VRS Castricum 4 september
2011
VRS Castricum 26 april     
VRS Castricum 16 september
2010
VRS Castricum 28 april     
VRS Castricum 1 september
2009
VRS Castricum 3 may     
VRS Castricum 30 august
2008
VRS Castricum 6 may     
VRS Castricum 5 september
2007
VRS Castricum 15 july     
VRS Castricum 23 august
2006
VRS Castricum 21 april     
VRS Castricum 10 september
2005
VRS Castricum 23 april     
VRS Castricum 30 august
2004
VRS Castricum 17 april     
VRS Castricum 10 september
2003
VRS Castricum 15 april     
VRS Castricum 3 september
2002
VRS Castricum 21 april     
VRS Castricum 13 september
2001
VRS Castricum 29 april     
VRS Castricum 31 august
2000
VRS Castricum 25 april     
VRS Castricum 10 september
 
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