Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 16 202:30
2011 279 755:00
2012 8 624:00
2014 7 200:55
2016 1 134:44
2017 6 533:49
2018 1 1070:08
2019 4 215:03
 
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