Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 243 114:30
2007 932 302:40
2008 1157 348:00
2009 590 74:00
2010 92 13:30
2018 583 246:25
2019 1221 290:45
2020 973 286:25
2021 942 236:15
2022 11 20:30
 
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