Graph

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

Year Totals Observation hours
2008 0 114:43
2009 0 480:00
2010 0 520:00
2011 0 557:53
2012 0 707:17
2013 0 545:56
2014 0 551:02
2015 16 584:04
2016 0 622:09
2017 0 588:13
2018 83 681:33
2019 0 723:16
2021 0 640:08
2022 0 558:40
 
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