Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 2970 202:30
2011 178642 755:00
2012 12510 624:00
2014 9122 200:55
2016 0 134:44
2017 74338 533:49
2018 69831 1070:08
2019 32549 215:03
 
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