Graph

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

Year Totals Observation hours
2007 20 202:30
2011 54 755:00
2012 19 624:00
2014 69 200:55
2016 71 134:44
2017 126 533:49
2018 18294 1070:08
2019 662 215:03
2022 2993 1060:23
 
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