Graph

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

Year Totals Observation hours
2010 1 192:15
2011 29 548:35
2012 30 598:30
2013 60 613:57
2014 66 701:15
2015 33 626:35
2016 43 715:25
2017 22 674:15
2018 17 645:36
2019 35 642:45
2020 0 188:20
2021 3 381:00
2022 0 97:55
 
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