Graph

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

Year Totals Observation hours
1997 0 63:45
1998 0 48:00
1999 0 79:45
2000 46 114:15
2001 0 130:55
2002 37 311:10
2003 29 434:00
2004 122 539:15
2005 49 741:30
2006 12 671:30
2007 10 742:30
2008 15 700:00
2009 84 629:45
2010 11 570:15
2011 34 520:15
2012 48 543:15
2013 56 410:30
2014 34 500:15
2015 32 683:45
2016 8 688:45
2017 10 671:00
2018 11 739:00
2019 11 737:00
2020 38 795:00
2021 15 787:15
2022 53 648:40
2023 6 305:12
 
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