Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 3 23:40
2007 4 71:05
2008 4 94:25
2009 5 91:45
2010 2 159:55
2011 7 208:42
2012 4 196:45
2013 6 239:26
2014 13 218:15
2015 3 145:35
2016 2 217:52
2017 3 191:09
2018 2 243:43
2019 0 140:00
 
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