Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 12 114:30
2007 2614 302:40
2008 5683 348:00
2009 1447 74:00
2010 3 13:30
2018 3657 246:25
2019 2600 290:45
2020 3225 286:25
2021 1691 236:15
 
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