Graph

Country
Migration site
Species
Period    
Sex
Age
Plumage
Present
Favourites

Year Totals Observation hours
2006 14 23:40
2007 237 71:05
2008 0 94:25
2009 0 91:45
2010 1 159:55
2011 0 208:42
2012 0 196:45
2013 13 239:26
2014 0 218:15
2015 0 145:35
2016 25 217:52
2017 26 191:09
2018 78 243:43
2019 0 140:00
 
Partners