Graph

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

Year Totals Observation hours
2007 870 202:30
2011 666 755:00
2012 39 624:00
2014 0 200:55
2016 0 134:44
2017 0 533:49
2018 6594 1070:08
2019 86 215:03
2022 4064 1160:12
2023 813 404:11
 
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