Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites
Don't use roostmigration

Year Totals Observation hours
2007 233 202:30
2011 708 755:00
2012 115 624:00
2014 1358 200:55
2016 15 134:44
2017 2220 533:49
2018 1157 1070:08
2019 678 215:03
2022 2855 1160:12
 
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