Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 1 23:40
2007 5 71:05
2008 10 94:25
2009 14 91:45
2010 26 159:55
2011 14 208:42
2012 7 196:45
2013 5 239:26
2014 8 218:15
2015 7 145:35
2016 2 217:52
2017 3 191:09
2018 2 243:43
2019 0 140:00
 
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