Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 4 202:30
2011 44 755:00
2012 14 624:00
2014 65 200:55
2016 17 134:44
2017 127 533:49
2018 2532 1070:08
2019 72 215:03
 
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