Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 17715 202:30
2011 14685 755:00
2012 2162 624:00
2014 4196 200:55
2016 1438 134:44
2017 1459 533:49
2018 37098 1070:08
2019 506 215:03
 
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