Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 43 23:40
2007 196 71:05
2008 528 94:25
2009 317 91:45
2010 421 159:55
2011 358 208:42
2012 25 196:45
2013 43 239:26
2014 6 218:15
2015 0 145:35
2016 0 217:52
2017 0 191:09
2018 0 243:43
2019 0 148:51
 
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