Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites
Don't use roostmigration

Year Totals Observation hours
1956 0 13:45
1958 4 11:00
1959 0 3:20
1960 0 1:45
1961 0 8:30
1962 0 0:00
1963 0 8:00
1977 6 29:30
1978 0 27:30
1982 0 3:00
1986 0 50:00
1987 1 56:35
2001 0 0:00
2002 0 0:00
2003 0 12:30
2004 1 44:15
2005 1477 1018:50
2006 228 647:30
2007 298 816:41
2008 318 648:15
2009 126 446:08
2010 212 645:00
2011 462 681:30
2012 85 422:55
2013 82 613:10
2014 44 473:05
2015 63 560:45
2016 136 427:55
2017 156 576:05
2018 40 430:45
2019 51 455:27
2020 93 506:07
2021 129 1013:52
2022 410 726:25
2023 25 316:41
 
Partners