Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 4 114:30
2007 58 302:40
2008 161 348:00
2009 70 74:00
2010 34 13:30
2018 34 246:25
2019 42 290:45
2020 55 286:25
2021 49 224:50
 
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