Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2012 17 66:00
2013 23 80:35
2014 16 110:10
2015 29 119:20
2016 14 134:25
2017 11 104:25
2018 19 124:00
2019 25 112:45
2020 17 104:26
2021 2 39:13
 
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