Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 40 114:30
2007 19 302:40
2008 63 348:00
2009 13 74:00
2010 2 13:30
2018 54 246:25
2019 68 290:45
2020 93 286:25
2021 55 236:15
 
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