Graph

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

Year Totals Observation hours
2008 4 114:43
2009 749 480:00
2010 588 520:00
2011 1307 557:53
2012 1928 707:17
2013 1604 545:56
2014 1227 551:02
2015 1753 584:04
2016 1218 622:09
2017 1379 588:13
2018 1106 681:33
2019 958 723:16
2021 569 640:08
2022 556 661:03
 
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