Graph

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

Year Totals Observation hours
2012 0 66:00
2013 2 80:35
2014 1 110:10
2015 0 119:20
2016 2 134:25
2017 1 104:25
2018 1 124:00
2019 6 112:45
2020 2 104:26
2021 5 111:14
2022 0 13:00
2023 0 10:00
 
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