Graph

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

Year Totals Observation hours
2004 0 114:30
2007 97 302:40
2008 37 348:00
2009 43 74:00
2010 0 13:30
2018 828 246:25
2019 527 290:45
2020 2182 286:25
2021 503 236:15
2022 348 108:45
 
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