Graph

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

Year Totals Observation hours
2007 27 202:30
2011 680 755:00
2012 746 624:00
2014 44 200:55
2016 1732 134:44
2017 257 533:49
2018 3625 1070:08
2019 8 215:03
2022 1001 1160:12
 
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