Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 12 202:30
2011 43 755:00
2012 65 624:00
2014 295 200:55
2016 10 134:44
2017 1911 533:49
2018 1539 1070:08
2019 37 215:03
 
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