Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2000 9 93:00
2001 7 287:00
2002 11 316:00
2003 6 382:42
2004 14 342:37
2005 7 554:39
2006 47 657:43
2007 15 725:19
2008 20 1488:17
2009 13 799:54
2010 39 900:27
2011 23 834:45
2012 25 840:54
2013 45 890:41
2014 54 864:15
2015 12 727:16
2016 46 659:29
2017 43 777:46
2018 22 766:48
2019 39 683:31
2020 26 697:12
 
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