Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2003 13 2806:03
2004 2 515:45
2005 8 1761:54
2006 7 1661:15
2007 13 1742:51
2008 4 1789:51
2009 6 1823:19
2010 21 1846:39
2011 15 1682:59
2012 16 1767:02
2013 3 1810:25
2014 7 1576:54
2015 8 1500:41
2016 8 1749:41
2017 16 1444:36
2018 5 1818:44
2019 11 1585:21
2020 3 1300:25
 
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