Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 14 39:30
1999 34 19:00
2001 135 594:30
2002 0 0:00
2005 205 77:15
2006 0 32:05
2007 0 88:45
2008 27 100:00
2009 0 52:20
2010 181 48:05
2011 0 88:24
2012 142 36:20
2013 0 37:30
2014 2 30:40
2015 6 44:40
2016 8 163:00
2017 33 179:29
2018 127 380:50
2019 3826 344:15
2020 28 447:51
 
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