Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2003 1 2806:03
2004 0 515:45
2005 1 1761:54
2006 0 1661:15
2007 0 1742:51
2008 3 1789:51
2009 3 1823:19
2010 2 1846:39
2011 2 1682:59
2012 0 1767:02
2013 1 1810:25
2014 0 1576:54
2015 1 1500:41
2016 4 1749:41
2017 2 1444:36
2018 2 1818:44
2019 2 1585:21
2020 1 1300:25
 
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