Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2013 961 199:30
2014 258 157:30
2015 277 174:00
2016 592 154:30
2017 931 213:00
2018 68 180:00
2019 1008 206:00
2020 133 229:30
2021 58 174:00
2022 22 76:30
 
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