Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2000 7014 93:00
2001 10720 287:00
2002 13532 316:00
2003 8404 382:42
2004 16477 342:37
2005 31937 554:39
2006 33406 657:43
2007 34383 725:19
2008 39992 1488:17
2009 39125 799:54
2010 46061 900:27
2011 60750 834:45
2012 50435 840:54
2013 46064 890:41
2014 34072 864:15
2015 28116 727:16
2016 24374 659:29
2017 39551 777:46
2018 50889 766:48
2019 50897 683:31
2020 45709 839:09
 
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