Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 7 114:30
2007 243 302:40
2008 474 348:00
2009 160 74:00
2010 14 13:30
2018 151 246:25
2019 178 290:45
2020 313 258:45
 
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