Graph

Country
Migration site
Species
Period
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 1 23:40
2007 21 71:05
2008 8 94:25
2009 18 91:45
2010 10 159:55
2011 12 208:42
2012 15 196:45
2013 26 239:26
2014 10 218:15
2015 12 145:35
2016 1 217:52
2017 18 191:09
2018 9 243:43
2019 0 140:00
 
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