Graph

Country
Migration site
Species
Period
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 34 23:40
2007 334 71:05
2008 170 94:25
2009 34 91:45
2010 299 159:55
2011 65 208:42
2012 261 196:45
2013 39 239:26
2014 38 218:15
2015 28 145:35
2016 13 217:52
2017 154 191:09
2018 309 243:43
2019 0 140:00
 
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