Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1997 2 66:45
1998 1 46:00
1999 1 79:15
2000 0 114:15
2001 0 119:45
2002 1 311:15
2003 5 433:15
2004 8 539:15
2005 14 741:30
2006 5 671:30
2007 15 742:30
2008 8 700:00
2009 6 629:45
2010 7 570:15
2011 6 520:15
2012 16 543:15
2013 8 410:30
2014 9 500:15
2015 14 683:45
2016 6 688:45
2017 5 671:00
2018 13 739:00
2019 7 436:38
 
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