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 7 594:30
2002 0 0:00
2005 1 77:15
2006 4 32:05
2007 22 88:45
2008 2 100:00
2009 1 52:20
2010 0 48:05
2011 0 88:24
2012 0 36:20
2013 2 37:30
2014 0 30:40
2015 0 44:40
2016 6 163:00
2017 4 179:29
2018 2 380:50
2019 9 344:15
2020 16 447:51
2021 43 462:39
2022 11 482:00
 
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