Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2013 800 199:30
2014 816 157:30
2015 575 174:00
2016 286 154:30
2017 676 213:00
2018 1510 180:00
2019 825 206:00
2020 789 229:30
2021 378 174:00
2022 180 74:30
 
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