Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1956 0 13:45
1958 0 11:00
1959 0 3:20
1960 0 1:45
1961 0 8:30
1962 0 0:00
1963 0 8:00
1977 2 29:30
1978 5 27:30
1982 0 3:00
1986 37 50:00
1987 57 56:35
2001 0 0:00
2002 0 0:00
2003 1 12:30
2004 30 44:15
2005 1175 1018:50
2006 1387 647:30
2007 731 816:41
2008 1003 648:15
2009 503 446:08
2010 1706 645:00
2011 1801 681:30
2012 505 422:55
2013 1042 613:10
2014 479 473:05
2015 720 560:45
2016 411 427:55
2017 260 576:05
2018 231 430:45
2019 373 455:27
2020 264 506:07
2021 435 1023:39
2022 581 342:42
 
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