Graph

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

Year Totals Observation hours
2007 12 202:30
2011 27 755:00
2012 22 624:00
2014 165 200:55
2016 9 134:44
2017 287 533:49
2018 793 1070:08
2019 385 215:03
2022 1118 1160:12
 
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