Graph

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

Year Totals Observation hours
1997 1 39:30
1999 0 19:00
2001 65 594:30
2002 0 0:00
2005 0 77:15
2006 1 32:05
2007 1 88:45
2008 4 100:00
2009 2 52:20
2010 0 48:05
2011 2 88:24
2012 0 36:20
2013 0 37:30
2014 0 30:40
2015 0 44:40
2016 0 163:00
2017 3 179:29
2018 26 380:50
2019 25 344:15
2020 20 447:51
2021 18 462:39
2022 26 482:00
 
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