Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 1 114:30
2007 16 302:40
2008 289 348:00
2009 9 74:00
2010 107 13:30
2018 6 246:25
2019 894 290:45
2020 184 286:25
2021 1103 224:50
 
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