Graph

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

Year Totals Observation hours
1997 0 39:30
1999 0 19:00
2001 67 594:30
2002 0 0:00
2005 32 77:15
2006 2 32:05
2007 8 88:45
2008 8 100:00
2009 1 52:20
2010 1 48:05
2011 0 88:24
2012 0 36:20
2013 1 37:30
2014 0 30:40
2015 5 44:40
2016 7 163:00
2017 20 179:29
2018 22 380:50
2019 17 344:15
2020 16 447:51
2021 41 462:39
2022 54 482:00
 
Partners