Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 19 23:40
2007 145 71:05
2008 50 94:25
2009 64 91:45
2010 220 159:55
2011 161 208:42
2012 102 196:45
2013 71 239:26
2014 98 218:15
2015 13 145:35
2016 31 217:52
2017 59 191:09
2018 34 243:43
2019 19 140:00
 
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