Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 1 61:32
2007 28 211:28
2008 35 460:04
2009 65 365:00
2010 1782 637:04
2011 32 348:08
2012 246 333:29
2013 94 281:38
2014 5 156:47
2015 6 117:20
2016 10 142:02
2017 2 179:22
2018 3 222:16
2019 2 98:41
 
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