Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 89 23:40
2007 327 71:05
2008 3092 94:25
2009 1268 91:45
2010 669 159:55
2011 913 208:42
2012 5607 196:45
2013 2134 239:26
2014 8585 218:15
2015 968 145:35
2016 607 217:52
2017 3474 191:09
2018 1240 243:43
2019 591 148:51
 
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