Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 7 23:40
2007 169 71:05
2008 220 94:25
2009 37 91:45
2010 270 159:55
2011 38 208:42
2012 139 196:45
2013 82 239:26
2014 13 218:15
2015 8 145:35
2016 0 217:52
2017 14 191:09
2018 0 243:43
2019 0 140:00
 
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