Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 896 23:40
2007 2065 71:05
2008 2040 94:25
2009 1498 91:45
2010 2646 159:55
2011 3585 208:42
2012 3085 196:45
2013 474 239:26
2014 545 218:15
2015 295 145:35
2016 24 217:52
2017 108 191:09
2018 815 243:43
2019 0 140:00
 
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