Graph

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

Year Totals Observation hours
2007 0 202:30
2011 6 755:00
2012 3 624:00
2014 5 200:55
2016 0 134:44
2017 31 533:49
2018 7 1070:08
2019 1 215:03
2022 17 1160:12
 
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