Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 67 114:30
2007 446 302:40
2008 311 348:00
2009 101 74:00
2010 16 13:30
2018 190 246:25
2019 142 290:45
2020 306 286:25
 
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