Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2012 28 66:00
2013 51 80:35
2014 53 110:10
2015 29 119:20
2016 60 134:25
2017 65 104:25
2018 218 124:00
2019 211 112:45
2020 158 104:26
2021 113 101:49
 
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