Graph

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

Year Totals Observation hours
2007 0 202:30
2011 3364 755:00
2012 150 624:00
2014 1032 200:55
2016 0 134:44
2017 324 533:49
2018 3183 1070:08
2019 159 215:03
2022 1433 1160:12
 
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