Graph

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

Year Totals Observation hours
2008 0 360:30
2009 0 450:00
2010 0 500:00
2011 0 590:05
2012 0 846:25
2013 0 669:05
2014 0 653:09
2015 0 628:23
2016 0 664:24
2017 86 653:41
2018 231 697:15
2019 0 1240:41
2020 48 638:33
2021 0 705:25
2022 1 1146:07
 
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