Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2003 59 2806:03
2004 65 515:45
2005 83 1761:54
2006 42 1661:15
2007 33 1742:51
2008 32 1789:51
2009 35 1823:19
2010 119 1846:39
2011 218 1682:59
2012 80 1767:02
2013 87 1810:25
2014 33 1576:54
2015 116 1500:41
2016 36 1749:41
2017 33 1444:36
2018 29 1818:44
2019 56 1585:21
2020 18 1323:25
 
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