Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites
Don't use roostmigration

Year Totals Observation hours
2010 204 192:15
2011 98 548:35
2012 154 598:30
2013 265 613:57
2014 269 701:15
2015 204 626:35
2016 216 715:25
2017 205 674:15
2018 212 645:36
2019 295 642:45
2020 35 188:20
2021 71 381:00
2022 14 97:55
2023 39 227:05
 
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