Graph

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

Year Totals Observation hours
2007 435 202:30
2011 250 755:00
2012 37 624:00
2014 5399 200:55
2016 399 134:44
2017 3067 533:49
2018 45446 1070:08
2019 5165 215:03
2022 4512 1029:26
 
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