Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 0 23:40
2007 3 71:05
2008 1 94:25
2009 1 91:45
2010 14 159:55
2011 19 208:42
2012 19 196:45
2013 18 239:26
2014 13 218:15
2015 10 145:35
2016 10 217:52
2017 10 191:09
2018 13 243:43
2019 31 140:00
 
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