Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 3 61:32
2007 3 211:28
2008 7 460:04
2009 6 365:00
2010 4 637:04
2011 1 348:08
2012 1 333:29
2013 3 281:38
2014 15 156:47
2015 2 117:20
2016 3 142:02
2017 4 179:22
2018 5 222:16
2019 0 98:41
 
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