Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2010 5 192:15
2011 3 548:35
2012 11 598:30
2013 5 613:57
2014 25 701:15
2015 27 626:35
2016 26 715:25
2017 11 674:15
2018 4 645:36
2019 24 642:45
2020 1 188:20
2021 0 381:00
2022 0 97:55
 
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