Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 13322 202:30
2011 22675 755:00
2012 24208 624:00
2014 68651 200:55
2016 242 134:44
2017 68337 533:49
2018 195830 1070:08
2019 51127 215:03
 
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