Graph

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

Year Totals Observation hours
2004 516 114:30
2007 4460 302:40
2008 1575 348:00
2009 810 74:00
2010 37 13:30
2018 465 246:25
2019 560 290:45
2020 489 286:25
2021 755 236:15
2022 275 108:45
 
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