Graph

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

Year Totals Observation hours
2007 430 202:30
2011 528 755:00
2012 54 624:00
2014 42 200:55
2016 14 134:44
2017 80 533:49
2018 4767 1070:08
2019 293 215:03
2022 7101 1160:12
2023 34 404:11
 
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