Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 14 39:30
1999 155 19:00
2001 4116 594:30
2002 0 0:00
2005 229 77:15
2006 153 32:05
2007 137 88:45
2008 277 100:00
2009 34 52:20
2010 119 48:05
2011 164 88:24
2012 31 36:20
2013 230 37:30
2014 587 30:40
2015 644 44:40
2016 655 163:00
2017 1049 179:29
2018 1807 380:50
2019 2899 344:15
2020 3219 447:51
 
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