Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 32 114:30
2007 251 302:40
2008 453 348:00
2009 105 74:00
2010 11 13:30
2018 301 246:25
2019 294 290:45
2020 766 286:25
2021 350 236:15
 
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