Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 2167 114:30
2007 30833 302:40
2008 66524 348:00
2009 7740 74:00
2010 98 13:30
2018 23061 246:25
2019 11903 290:45
2020 58890 286:25
2021 8337 211:50
 
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