Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2010 3 192:15
2011 10 548:35
2012 9 598:30
2013 4 613:57
2014 5 701:15
2015 14 626:35
2016 15 715:25
2017 6 674:15
2018 13 645:36
2019 13 642:45
2020 4 188:20
2021 4 381:00
2022 5 97:55
 
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