Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 521 114:30
2007 5284 302:40
2008 1795 348:00
2009 548 74:00
2010 0 13:30
2018 2573 246:25
2019 813 290:45
2020 3744 286:25
2021 131 38:00
 
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