Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 526 114:30
2007 2044 302:40
2008 2525 348:00
2009 1178 74:00
2010 144 13:30
2018 964 246:25
2019 1330 290:45
2020 1377 286:25
2021 1279 236:15
2022 8 26:40
 
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