Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 0 23:40
2007 3 71:05
2008 3 94:25
2009 4 91:45
2010 10 159:55
2011 9 208:42
2012 5 196:45
2013 5 239:26
2014 7 218:15
2015 2 145:35
2016 4 217:52
2017 3 191:09
2018 1 243:43
2019 6 140:00
 
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