Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 0 23:40
2007 5 71:05
2008 12 94:25
2009 6 91:45
2010 17 159:55
2011 27 208:42
2012 35 196:45
2013 69 239:26
2014 30 218:15
2015 8 145:35
2016 34 217:52
2017 31 191:09
2018 98 243:43
2019 33 167:21
 
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