Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2015 25942 7713:40
2016 18139 8784:00
2017 28069 8784:00
2018 6575 7939:40
2019 16841 6680:45
2020 23681 6561:00
2021 39821 6554:30
 
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