Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2007 392 202:30
2011 345 755:00
2012 59 624:00
2014 18525 200:55
2016 1 134:44
2017 21629 533:49
2018 15620 1070:08
2019 1941 215:03
 
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