Graph

Country
Migration site
Species
Period
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 0 23:40
2007 30 71:05
2008 187 94:25
2009 21 91:45
2010 99 159:55
2011 12 208:42
2012 792 196:45
2013 19 239:26
2014 5 218:15
2015 2 145:35
2016 1 217:52
2017 2 191:09
2018 3 243:43
2019 0 140:00
 
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