Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites
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Year Totals Observation hours
2004 35 114:30
2007 78 302:40
2008 59 348:00
2009 21 74:00
2010 0 13:30
2018 176 246:25
2019 378 290:45
2020 171 286:25
2021 65 236:15
2022 46 108:45
 
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