Graph

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

Year Totals Observation hours
1997 2 63:45
1998 1 48:00
1999 0 79:45
2000 2 114:15
2001 0 130:55
2002 4 311:10
2003 37 434:00
2004 8 539:15
2005 15 741:30
2006 18 671:30
2007 19 742:30
2008 39 700:00
2009 21 629:45
2010 76 570:15
2011 32 520:15
2012 40 543:15
2013 25 410:30
2014 47 500:15
2015 41 683:45
2016 23 688:45
2017 22 671:00
2018 56 739:00
2019 116 737:00
2020 85 795:00
2021 36 787:15
2022 69 648:40
2023 30 305:12
 
Partners