Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2013 4 1810:11
2014 7 2162:28
2015 7 1682:29
2016 13 1383:44
2017 28 1211:57
2018 308 1296:19
2019 5 1314:40
2020 253 1538:00
2021 113 829:19
 
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