Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2010 0 192:15
2011 1 548:35
2012 0 598:30
2013 0 613:57
2014 7 701:15
2015 5 626:35
2016 3 715:25
2017 0 674:15
2018 1 645:36
2019 3 642:45
2020 3 188:20
2021 0 381:00
2022 0 97:55
 
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