Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2000 0 93:00
2001 15 287:00
2002 24 316:00
2003 8 382:42
2004 34 342:37
2005 82 554:39
2006 120 657:43
2007 46 725:19
2008 177 1488:17
2009 80 799:54
2010 51 900:27
2011 64 834:45
2012 156 840:54
2013 112 890:41
2014 160 864:15
2015 15 727:16
2016 31 659:29
2017 29 777:46
2018 60 766:48
2019 47 683:31
2020 14 648:57
 
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