Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 11 23:40
2007 26 71:05
2008 24 94:25
2009 19 91:45
2010 27 159:55
2011 5 208:42
2012 12 196:45
2013 35 239:26
2014 101 218:15
2015 2 145:35
2016 6 217:52
2017 42 191:09
2018 33 243:43
2019 0 140:00
 
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