Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2000 0 93:00
2001 0 287:00
2002 1 316:00
2003 1 382:42
2004 3 342:37
2005 5 554:39
2006 6 657:43
2007 1 725:19
2008 6 1488:17
2009 9 799:54
2010 4 900:27
2011 2 834:45
2012 5 840:54
2013 4 890:41
2014 2 864:15
2015 0 727:16
2016 2 659:29
2017 2 777:46
2018 11 766:48
2019 0 683:31
2020 2 697:12
 
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