Graph

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

Year Totals Observation hours
2010 4 192:15
2011 1 548:35
2012 3 598:30
2013 8 613:57
2014 4 701:15
2015 12 626:35
2016 13 715:25
2017 18 674:15
2018 8 645:36
2019 5 642:45
2020 0 188:20
2021 10 381:00
2022 2 97:55
2023 1 190:15
 
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