Graph

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

Year Totals Observation hours
2000 6 93:00
2001 17 287:00
2002 32 316:00
2003 18 382:42
2004 13 342:37
2005 8 554:39
2006 6 657:43
2007 2 725:19
2008 5 1488:17
2009 1 799:54
2010 12 900:27
2011 6 834:45
2012 5 840:54
2013 6 890:41
2014 1 864:15
2015 1 727:16
2016 6 659:29
2017 0 777:46
2018 5 766:48
2019 2 683:31
2020 0 839:09
2021 1 921:00
2022 2 853:07
 
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