Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2003 442 2806:03
2004 609 515:45
2005 892 1761:54
2006 511 1661:15
2007 1266 1742:51
2008 546 1789:51
2009 792 1823:19
2010 1144 1846:39
2011 603 1682:59
2012 524 1767:02
2013 636 1810:25
2014 662 1576:54
2015 311 1500:41
2016 691 1749:41
2017 456 1444:36
2018 542 1818:44
2019 543 1585:21
2020 610 1300:25
 
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