Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 65 114:30
2007 872 302:40
2008 461 348:00
2009 205 74:00
2010 19 13:30
2018 410 246:25
2019 555 290:45
2020 607 286:25
2021 215 236:15
 
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