Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites

Year Totals Observation hours
1956 0 13:45
1958 0 11:00
1959 1 3:20
1960 0 1:45
1961 0 8:30
1962 0 0:00
1963 0 8:00
1977 16 29:30
1978 0 27:30
1982 0 3:00
1986 14 50:00
1987 40 56:35
2001 0 0:00
2002 0 0:00
2003 0 12:30
2004 32 44:15
2005 3058 1018:50
2006 3898 647:30
2007 2185 816:41
2008 712 648:15
2009 569 446:08
2010 536 645:00
2011 1744 681:30
2012 1504 422:55
2013 2485 613:10
2014 974 473:05
2015 4407 560:45
2016 2395 427:55
2017 2057 576:05
2018 1000 430:45
2019 1088 455:27
2020 18434 506:07
2021 14562 1023:39
2022 292 342:42
 
Partners