Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2010 84 192:15
2011 96 548:35
2012 321 598:30
2013 89 613:57
2014 558 701:15
2015 2743 626:35
2016 442 715:25
2017 341 674:15
2018 1363 645:36
2019 984 642:45
2020 36 188:20
2021 18 381:00
2022 0 97:55
 
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