Graph

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

Year Totals Observation hours
2007 0 202:30
2011 65 755:00
2012 2 624:00
2014 35 200:55
2016 0 134:44
2017 18 533:49
2018 30 1070:08
2019 20 215:03
2022 25 1160:12
 
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