Graph

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

Year Totals Observation hours
2008 2 114:43
2009 3 480:00
2010 1 520:00
2011 1 557:53
2012 3 707:17
2013 2 545:56
2014 0 551:02
2015 7 584:04
2016 5 622:09
2017 0 588:13
2018 2 681:33
2019 3 723:16
2021 10 640:08
2022 4 558:40
 
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