Graph

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

Year Totals Observation hours
2007 2 202:30
2011 101470 755:00
2012 4105 624:00
2014 176 200:55
2016 2 134:44
2017 10136 533:49
2018 10980 1070:08
2019 82 215:03
2022 29540 1039:52
 
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