Graph

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

Year Totals Observation hours
2009 0 351:50
2010 0 450:21
2011 0 633:10
2012 47 386:37
2013 2 378:15
2014 6 570:41
2015 0 320:04
2016 0 188:50
2017 0 125:15
2018 0 92:33
2019 0 89:07
 
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