Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 1444 202:30
2011 433 755:00
2012 82 624:00
2014 219 200:55
2016 1162 134:44
2017 769 533:49
2018 6387 1070:08
2019 131 215:03
 
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