Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
1956 0 13:45
1958 0 4:00
1977 2 29:30
1978 4 27:30
1982 0 3:00
1986 0 50:00
1987 0 56:35
2001 0 0:00
2002 0 0:00
2003 6 12:30
2004 113 44:15
2005 1328 1018:50
2006 683 647:30
2007 842 816:41
2008 1353 648:15
2009 362 446:08
2010 1004 645:00
2011 354 681:30
2012 294 422:55
2013 561 613:10
2014 369 473:05
2015 561 560:45
2016 332 427:55
2017 504 576:05
2018 774 430:45
2019 623 455:27
2020 441 506:07
2021 2552 824:55
 
Partners