Graph

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

Year Totals Observation hours
2012 11 66:00
2013 13 80:35
2014 11 110:10
2015 24 119:20
2016 17 134:25
2017 16 104:25
2018 5 124:00
2019 4 112:45
2020 9 104:26
2021 18 111:14
2022 5 13:00
2023 1 10:00
 
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