Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 28 39:30
1999 1 10:00
2001 2742 594:30
2002 0 0:00
2005 271 77:15
2006 43 32:05
2007 151 88:45
2008 178 100:00
2009 68 52:20
2010 196 48:05
2011 509 88:24
2012 109 36:20
2013 224 37:30
2014 69 30:40
2015 164 44:40
2016 119 171:15
2017 668 179:29
2018 1937 380:50
2019 1931 344:15
 
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