Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites
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Year Totals Observation hours
2004 92 114:30
2007 195 302:40
2008 232 348:00
2009 39 74:00
2010 7 13:30
2018 64 246:25
2019 121 290:45
2020 130 286:25
2021 115 236:15
2022 58 108:45
 
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