Graph

Country
Migration site
Species
Period    
Sex
 Age
 Plumage
Present
Favourites
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Year Totals Observation hours
2007 1186 202:30
2011 4557 755:00
2012 2901 624:00
2014 70552 200:55
2016 3 134:44
2017 78119 533:49
2018 27206 1070:08
2019 2976 215:03
2022 49903 1160:12
2023 896 391:31
 
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