Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 96 202:30
2011 587 755:00
2012 4 624:00
2014 536 200:55
2016 13 134:44
2017 847 533:49
2018 1472 1070:08
2019 1474 215:03
 
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