Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2003 30 2806:03
2004 63 515:45
2005 11 1761:54
2006 37 1661:15
2007 23 1742:51
2008 13 1789:51
2009 18 1823:19
2010 71 1846:39
2011 13 1682:59
2012 19 1767:02
2013 33 1810:25
2014 65 1576:54
2015 16 1500:41
2016 8 1749:41
2017 36 1444:36
2018 37 1818:44
2019 38 1585:21
2020 28 1323:25
 
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