Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2012 49 66:00
2013 126 80:35
2014 135 110:10
2015 45 119:20
2016 48 134:25
2017 57 104:25
2018 144 124:00
2019 193 112:45
2020 53 104:26
2021 21 39:13
 
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