Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 255 114:30
2007 322 302:40
2008 475 348:00
2009 33 74:00
2010 5 13:30
2018 50 246:25
2019 36 290:45
2020 24 286:25
2021 21 207:20
 
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