Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2004 139 114:30
2007 658 302:40
2008 1178 348:00
2009 583 74:00
2010 82 13:30
2018 277 246:25
2019 254 290:45
2020 195 255:45
 
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